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Past Time, 4th Period

Manga ChapterCh. 137

Past Time, 4th Period is the 137th chapter of Assassination Classroom, pressing the Volume 16 flashback onward. The longest installment of the sequence, it draws both Yukimura sisters into the recollection of Korosensei's past.

Volume: 16
Previous Chapter: Chapter 134: Past Time, 3rd Period
Next Chapter: Chapter 134: Past Time, 5th Period
Anime Episode: Episode 38: Past Time
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Summary

Past Time, 4th Period is chapter 137, a nineteen-page installment in Volume 16 given in Japanese as Kako no jikan, 4-jikan-me. It pushes the flashback forward and brings both Yukimura sisters into its frame.

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Key Events

Aguri Yukimura and the Grim Reaper open the recollection, joined by Akari Yukimura, the younger sister later known as Kaede Kayano. Kotaro Yanagisawa appears once more, and a large slice of Class 3-E, from Nagisa Shiota and Yuma Isogai to Manami Okuda and Ryoma Terasaka, populates the flashback.

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Notes

At nineteen pages, this is the longest of the Past Time chapters. It falls between Past Time, 3rd Period and Past Time, 5th Period, the fourth beat of the seven-part flashback in Volume 16.

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Frequently Asked Questions

What happens in Assassination Classroom's Past Time, 4th Period?

Past Time, 4th Period is chapter 137 of Assassination Classroom, pushing the Volume 16 origin flashback forward. It is notable for bringing both Yukimura sisters into the story for the first time.

Who is Akari Yukimura in Past Time, 4th Period?

In Past Time, 4th Period, Akari Yukimura is introduced as Aguri Yukimura's younger sister, later revealed to be Kaede Kayano, one of the Class 3-E students.

How long is Past Time, 4th Period?

Past Time, 4th Period is nineteen pages long, making it the longest chapter in the seven part Past Time flashback within Volume 16.

What is the Japanese title of Past Time, 4th Period?

Past Time, 4th Period is titled Kako no jikan, 4-jikan-me in Japanese.

Which chapter follows Past Time, 4th Period?

Past Time, 4th Period is followed by Past Time, 5th Period, continuing the flashback into Korosensei's origins.

Sources & Information

Looking for more on Past Time, 4th Period? The Assassination Classroom Wiki on Fandom has a dedicated page with community notes.

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This content is original writing by Daddy Jim Headquarters based on the Assassination Classroom anime series, manga, and official materials. Assassination Classroom was created by Yusei Matsui, published by Shueisha, and animated by Lerche. All rights to Assassination Classroom and its characters belong to their respective owners. Episode and chapter references are cited where applicable.

Rights holders

  • Created byYusei Matsui
  • Published byShueisha
  • Animated byLerche

All rights belong to their respective owners.

Character and scene imagery on this site is original artwork by Daddy Jim Headquarters, not screenshots or licensed imagery. Official cover art is used on three types of pages for editorial commentary:

  • Movie pages: theatrical posters and key visuals, credited to Lerche and Shueisha.
  • Game pages: official box art, credited to the game's respective publishers.
  • Manga chapter pages: volume covers, credited to Shueisha and Yusei Matsui.

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