Secret

How well can you really know someone?

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Kazuki's sleepwalking is simultaneously interesting and creepy to little sister Haruko.
Notes: Besides a few technical terms, such as the formal word for sleepwalking, this episode should be approachable, featuring interesting vocabulary such as the words and expressions for "officially," "creepy," and "mental," plus several extended grammar discussions.
Editions Status Difficulty
Standard Unread 3.4(442 votes)
When Kazuki goes away to college, Haruko has mixed feelings.
Notes: This episode contains wonderful vocabulary and expressions such as "to look after someone," "to be approaching (an event or milestone)," and "night after night," along with several extended notes.
Editions Status Difficulty
Standard Unread 3.3(241 votes)
Pro
Kazuki thinks back to his first day in his college dorm.
Notes: This episode showcases interesting expressions, such as one that literally means "to type a period" (onto an era, etc).
Editions Status Difficulty
Standard Unread 3.0(94 votes)
Pro
A minor emergency is averted when Kazuki has a chance encounter with a dormmate.
Notes: This episode contains extensive notes on a trio of tricky adverbs: ichiou, imasara, and naosara, plus other notes and great vocab.
Editions Status Difficulty
Standard Unread 3.3(82 votes)
Pro
Kazuki's sleepwalking makes him something of a celebrity, but perhaps not in a good way.
Notes: This episode contains lots of good vocabulary, such as the customer-service word for "complaint" and an expression that means "on the first shot," along with a note on a common word for "persuade."
Editions Status Difficulty
Standard Unread 3.2(80 votes)
Pro
On a beautiful morning shortly before graduation, something unexpected happens in the dorm.
Notes: This episode contains beautiful vocabulary, such as the words for "clear autumn/winter skies," and a pattern that means "all that remains is to (verb)."
Editions Status Difficulty
Standard Unread 3.1(72 votes)
Pro
Ichirou investigates the noise from the room next door.
Notes: This heart-pounding episode contains great vocabulary, such as words that mean "with trepidation," "to twist," and "pale as a ghost," along with a discussion of the difference between two words that mean "to shout."
Editions Status Difficulty
Standard Unread 3.0(69 votes)
Pro
Ichirou discovers the reason for the scream from the neighboring room.
Notes: This episode contains excellent expressions, such as a pattern for reporting a thought that you now recognize is mistaken, and an expression that means "to snap out of (a reverie, etc)."
Editions Status Difficulty
Standard Unread 3.0(62 votes)
Pro
The dorm is a flurry of activity as people attempt to make sense of the situation in Room 303.
Notes: This episode contains fun vocabulary, such as a word that means "to do (to someone's chagrin)," and a sarcastic use of kureru.
Editions Status Difficulty
Standard Unread 3.1(59 votes)
Pro
A sharp-eyed detective begins the investigation.
Notes: This episode contains great police vocabulary, such as "the right to remain silent," "questioning (in a police context)," "fingerprints," and more, as well as several extended grammar notes, as always.
Editions Status Difficulty
Standard Unread 3.2(57 votes)
Pro
Detective Saitou learns more about the case from Ichirou.
Notes: This episode contains interesting vocabulary, such as a word that means "miscellaneous noises from things."
Editions Status Difficulty
Standard Unread 2.8(53 votes)
Pro
Ichirou relates his experiences with Akihiko and Kazuki to Detective Saitou.
Notes: This article contains fun vocabulary like words that mean "haunted house" and "to wander around aimlessly," as well as an expression that means "to repay kindness with evil."
Editions Status Difficulty
Standard Unread 2.9(51 votes)
Pro
A different student relates what he saw the previous night.
Notes: This episode contains lots of great examples of common speech patterns like contractions and inversions.
Editions Status Difficulty
Standard Unread 3.2(49 votes)
Pro
Detective Saitou reviews what is known about the case so far.
Notes: This episode provides excellent practice in digesting an information-rich rundown of the facts and includes such crime vocabulary as "time of death," "murder weapon," and more.
Editions Status Difficulty
Standard Unread 3.4(51 votes)
Pro
Detective Saitou interviews Kazuki's parents in order to learn more about the relationship between Kazuki and Akihiko.
Notes: This episode contains great expressions, such as ones that mean "to say unanimously," and "to lead a life," as well as a pattern for invoking a hypothetical scenario.
Editions Status Difficulty
Standard Unread 3.0(51 votes)
Pro
Akihiko proposes a trip.
Notes: This episode contains great vocabulary, such as words that mean "national park," "to earn (money, etc)," and "black-and-white."
Editions Status Difficulty
Standard Unread 3.1(49 votes)
Pro
Akihiko's teenage years come into focus.
Notes: This episode contains lots of great vocabulary and notes related to high school and college in Japan.
Editions Status Difficulty
Standard Unread 3.3(45 votes)
Pro
Akihiko talks about his hopes for the future, as Kazuki thinks about his own future.
Notes: This episode contains fun expressions such as "to stuff one's cheeks (with food)" and "to make one's eyes sparkle (with excitement, etc)," as well as a breakdown of a potentially tricky sentence.
Editions Status Difficulty
Standard Unread 3.1(47 votes)
Pro
The two friends set off on their long-planned trip.
Notes: This episode contains lots of great vocabulary, such as words for "preliminary research," "something heard for the first time," and "easy win," as well as several extended annotations.
Editions Status Difficulty
Standard Unread 3.3(41 votes)
Pro
On their way to the airport, Kazuki and Akihiko discuss their plans for Yosemite.
Notes: This episode offers great expressions, such as one that means "to be taken aback," as well as extended notes on a few simple-looking words that can be beguiling.
Editions Status Difficulty
Standard Unread 3.2(39 votes)
Pro
As Kazuki and Akihiko ensure their papers are in order, Kazuki reflects on his growth over the past year.
Notes: This episode contains fun dialog and a common expression that means "it will work out some way or another."
Editions Status Difficulty
Standard Unread 3.0(38 votes)
Pro
It's vacation time as the two friends arrive in America.
Notes: This episode contains lots of good travel vocabulary, such as the words for "immigration," "customs," "getting a connecting flight," and more, plus several extended notes.
Editions Status Difficulty
Standard Unread 3.2(40 votes)
Pro
Kazuki and Akihiko make their way toward Yosemite.
Notes: This episode contains fun vocabulary, such as a word that means "to act jumpy/skittish" and a phrase that allows a speaker to ask with surprise about when something occurred.
Editions Status Difficulty
Standard Unread 3.2(36 votes)
Pro
The two friends enter Yosemite Valley.
Notes: This episode contains lots of colloquial language, plus fun expressions like "on full display."
Editions Status Difficulty
Standard Unread 3.0(38 votes)
Pro
The two friends get some helpful information from the person in charge at their campsite.
Notes: This episode contains a pattern that means "to pretend to do something," and a use of tsumori in which it refers to a conviction or belief.
Editions Status Difficulty
Standard Unread 3.3(36 votes)
Pro
Akihiko briefs Kazuki on tomorrow's plans as their first day winds to a close.
Notes: This episode contains an interesting use of the word heta, as well as a four-character compound that means "once in a lifetime."
Editions Status Difficulty
Standard Unread 3.1(34 votes)
Pro
Cool air in his lungs, Kazuki takes in the night forest.
Notes: This surreal episode contains excellent vocabulary and expressions, such as "before one's very eyes" and "black-and-white."
Editions Status Difficulty
Standard Unread 3.1(36 votes)
Pro
As morning arrives, an invigorated Kazuki and Akihiko start their first hike.
Notes: This episode contains lots of great vocabulary and expressions, such as words that mean "covered in (something)," "to pry open," "bed head," and more.
Editions Status Difficulty
Standard Unread 3.2(35 votes)
Pro
Kazuki gets his first real taste of hiking.
Notes: This episode contains useful vocabulary like words for "elevation," "distance," and "round-trip," plus a note on a word that means a multiple of an amount.
Editions Status Difficulty
Standard Unread 3.2(31 votes)
Pro
The two discuss plans as they take in the picturesque scenery.
Notes: This episode contains dramatic vocabulary such as the words for "an incredible view," "to tower above," and "to look out over; to survey."
Editions Status Difficulty
Standard Unread 3.1(33 votes)
Pro
The two reflect on their friendship and life.
Notes: This episode contains great storytelling vocabulary, like words for "day by day," "to turn color as though dyed," and more.
Editions Status Difficulty
Standard Unread 3.2(31 votes)
Pro
Akihiko and Kazuki get an early start on the morning of their big climb.
Notes: This episode contains notes on the use of wa after an amount, and the use of -yasui and -nikui after verbs that no one performs.
Editions Status Difficulty
Standard Unread 3.0(31 votes)
Pro
As Kazuki and Akihiko reach a challenging spot on the trail, a fellow climber gives them some advice.
Notes: This article contains two expressions that might feel tricky, but our friendly notes thoroughly break them down.
Editions Status Difficulty
Standard Unread 3.0(30 votes)
Pro
The group reaches an important milestone on their hike.
Notes: This episode contains lots of evocative vocabulary and expressions that might feel a little challenging, but our notes will help you make sense of it all.
Editions Status Difficulty
Standard Unread 3.5(32 votes)
Pro
The cables prove to be a challenge for the climbers.
Notes: This exciting episode contains lots of great vocabulary, like expressions for "before one's eyes," "contrary to what one might expect," and a pattern for giving direction.
Editions Status Difficulty
Standard Unread 3.1(32 votes)
Pro
The climbers deal with a tense situation.
Notes: This heart-pounding episode is filled with excellent vocab and expressions like "one's pupils sway," "one's face is tense," "one's pulse rises," and more.
Editions Status Difficulty
Standard Unread 3.3(26 votes)
Pro
Michael works to keep everyone calm.
Notes: This episode contains such vocabulary as words for "to soothe/calm," "body chills," and "squat down," plus extended annotations on daku versus kakaeru, and more.
Editions Status Difficulty
Standard Unread 3.0(28 votes)
Pro
As he reflects on the trip, Kazuki begins to see his future more clearly.
Notes: This episode contains vocabulary such as "to sprout" and "the bottom (of one's heart, etc)," plus a note on an expression that means that something "must" be so.
Editions Status Difficulty
Standard Unread 3.1(26 votes)
Pro
Kazuki and Akihiko arrive back home at their dorm.
Notes: This episode contains an example of how "heated questions" can also be used good-naturedly among friends.
Editions Status Difficulty
Standard Unread 3.0(28 votes)
Pro
Kazuki's family calls to check on him.
Notes: This episode contains interesting notes, such as one on the difference between two common words that mean "to appear," and one on an expression that means "to have a (bad) experience."
Editions Status Difficulty
Standard Unread 2.7(26 votes)
Pro
Kazuki's little sister discusses a possible visit.
Notes: This episode contains interesting vocabulary and extensive notes, such as on an expression that means "just as if to say," a word that means "to feel fascination/adoration," and more.
Editions Status Difficulty
Standard Unread 3.0(26 votes)
Pro
The two friends share a bonding moment.
Notes: This episode contains vocabulary and expressions such as those for "to have a good relationship with someone," "to be proud," and "to (work, etc) toward something."
Editions Status Difficulty
Standard Unread 3.0(24 votes)
Pro
Having found a mission, Kazuki begins making big changes in his life.
Notes: This episode contains lots of great vocabulary, as usual, plus a note on telling apart two words written in exactly the same way, and more.
Editions Status Difficulty
Standard Unread 3.2(24 votes)
Pro
As their second year progresses, a young woman appears in Akihiko's life.
Notes: This episode contains interesting vocabulary and expressions, such as a word that means "outstanding" and one that means that a person's thinking is fast or slow.
Editions Status Difficulty
Standard Unread 3.0(22 votes)
Pro
Haruko arrives in Tokyo to visit Kazuki and Akihiko.
Notes: This episode contains a note on a disparaging word that is also used among close friends, as well as a note about a facial expression Japanese people make when they are frustrated.
Editions Status Difficulty
Standard Unread 2.7(22 votes)
Pro
Haruko is consoled by her older brother as she adjusts to the reality before her.
Notes: This episode contains interesting notes, such as one on a pattern that lets you describe your emotional reaction to a situation, and a side note on the kanji behind various Japanese car company names.
Editions Status Difficulty
Standard Unread 2.7(21 votes)
Pro
As the group tours Tokyo, the conversation turns to Haruko's plans for the future.
Notes: This episode contains notes on creative spellings for a word that means "siblings" as well as an example of kurai marking a trivial degree.
Editions Status Difficulty
Standard Unread 2.8(22 votes)
Pro
Haruko wraps up her day with her brother and the others.
Notes: This episode contains great vocabulary, such as a memorable one that means "underhanded and scheming" (literally "black-bellied"), as well as an interesting note on the name of a deep red color and its origins.
Editions Status Difficulty
Standard Unread 3.0(22 votes)
Pro
As time goes by, Kazuki notices a change in the lives of his friends.
Notes: This episode contains interesting notes, such as one about Japanese new-grad hiring culture, as well as an explanation of a suffix that can, confusingly, mean both the beginning and the end of the marked period.
Editions Status Difficulty
Standard Unread 3.3(23 votes)
Pro
The two friends discuss their emerging career trajectories.
Notes: This episode contains useful patterns, such as one that means "to span (an interval)," a word that means "candidate," and a way to say that you deeply hope for something, useful for making toasts.
Editions Status Difficulty
Standard Unread 3.3(22 votes)
Pro
A class assignment gives Miki an opportunity to learn more about Akihiko.
Notes: This episode contains vocab and expressions such as "to fall in love with," "to lose someone in death," and "an X-in-training."
Editions Status Difficulty
Standard Unread 3.1(20 votes)
Pro
Miki begins to turn up troubling stories about Akihiko's youth.
Notes: This episode demonstrates several useful patterns, such as one for describing sequences of events that happen cyclically together, and another that means "nearly" every day or night.
Editions Status Difficulty
Standard Unread 3.1(20 votes)
Pro
Miki's search for answers leads her to a couple who knew Akihiko's family years ago.
Notes: This episode demonstrates an easy pattern that means someone cannot bear to continue doing something, as well as one that means "If only such-and-such would happen."
Editions Status Difficulty
Standard Unread 3.4(19 votes)
Pro
Miki stumbles upon a unique opportunity to learn more about Akihiko.
Notes: This episode contains great vocab, such as the words for "keep watch on" and "follow."
Editions Status Difficulty
Standard Unread 3.2(21 votes)
Pro
Miki sees something she cannot forget.
Notes: This episode contains great vocabulary, such as a word that means "to tell / try to convince (oneself, etc)" and notes on the word hazu and a word with misleading kanji.
Editions Status Difficulty
Standard Unread 3.3(20 votes)
Pro
Miki tries to calm herself as she struggles to make sense of things.
Notes: This chapter contains great vocab, like the word for "voicemail," as well as a note on the use of e to.
Editions Status Difficulty
Standard Unread 2.9(18 votes)
Pro
Emotions run high between Akihiko and Miki.
Notes: This episode contains notes about two common words for "quarrel," plus lots of informal dialog.
Editions Status Difficulty
Standard Unread 3.2(19 votes)
Pro
Kazuki tries to be a peacemaker as Akihiko recounts the events of the morning.
Notes: This episode contains vocabulary from modern life such as "passcode" and "input," plus notes and sentence breakdowns, as always.
Editions Status Difficulty
Standard Unread 2.9(17 votes)
Pro
Miki goes to greater and greater lengths to learn the truth about Akihiko.
Notes: This episode contains fun vocabulary, like an expression that means "a piece of cake," as well as a reminder about the broad meaning of the word gijutsu.
Editions Status Difficulty
Standard Unread 2.8(17 votes)
Pro
As Kazuki battles through a challenging night at his part time job, he gets an unexpected phone call.
Notes: This episode contains a note about the deceptively tricky word saki, as well as a breakdown of a long sentence featuring the use of mon to mean "a situation."
Editions Status Difficulty
Standard Unread 2.8(16 votes)
Pro
Kazuki enjoys a simple moment on his way home.
Notes: This episode contains a note on the similar suffixes nagara and tsutsu, plus one on a use of -te iku that means that an action is performed on the way to another location.
Editions Status Difficulty
Standard Unread 2.8(15 votes)
Pro
An unexpected development back at the dorms worries Kazuki.
Notes: This episode contains interesting notes, such as one on a use of tanomu to mean "I'm begging you," and one on the how to ask abbreviated questions, like "To whom?"
Editions Status Difficulty
Standard Unread 2.8(16 votes)
Pro
Kazuki's phone call connects.
Notes: This episode contains a note that looks at the difference between two common words for "person."
Editions Status Difficulty
Standard Unread 2.7(15 votes)
Pro
Akihiko relives his last interactions with Miki and wonders if it played any role in the incident.
Notes: This episode contains excellent vocabulary and notes, as always.
Editions Status Difficulty
Standard Unread 3.3(15 votes)
Pro
Kazuki gives his recollection of the events of last night to the detectives.
Notes: This episode contains a note on the very useful word nattoku, as well as a breakdown of a sentence that is tricky because it contains both an inversion as well as "placeholder no."
Editions Status Difficulty
Standard Unread 2.8(13 votes)
Pro
Kazuki and Akihiko attempt to learn more at the hospital.
Notes: This episode contains a note on a pattern that means "I should have done such-and-such" as well as a detailed breakdown of a tricky sentence.
Editions Status Difficulty
Standard Unread 3.4(11 votes)
Pro
Back in school, the career paths of the two friends begin to firm up.
Notes: This episode contains a nice example of the "suffering passive" used to describe a positive event.
Editions Status Difficulty
Standard Unread 3.1(13 votes)
Pro
Kazuki receives a phone call from Miki's mother.
Notes: This episode contains several extended notes on expressions and multi-sentence connections that might seem tricky.
Editions Status Difficulty
Standard Unread 2.8(11 votes)
Pro
Kazuki is caught off guard by news from Akihiko.
Notes: This episode contains fun vocabulary and a note on the meaning of a product name.
Editions Status Difficulty
Standard Unread 2.7(11 votes)
Pro
Akihiko prepares as an upset Kazuki looks on.
Notes: This episode contains a discussion of a word that means "to gather; to compile," among several others.
Editions Status Difficulty
Standard Unread 2.8(5 votes)