Erosion Time is the 131st chapter of the Assassination Classroom manga, collected in Volume 15. The eighteen-page installment opens on Kaede Kayano and Korosensei and reaches through several flashbacks while the Class 3-E ensemble surrounds them.
Summary
Written in Japanese as 侵蝕の時間 (Shinshoku no jikan), this eighteen-page chapter sits within Volume 15. It leads with Kaede Kayano and Korosensei, then carries the students of Class 3-E while layering in memories of several figures from the class's history.
Key Events
Kaede Kayano and Korosensei open the order of appearance, followed by Yuma Isogai, Hiroto Maehara, Nagisa Shiota, and their classmates. A run of flashbacks brings back Akira Takaoka, Aguri Yukimura, Rio Nakamura, and Kōki Mimura. Kōtarō Takebayashi, Tomohito Sugino, Itona Horibe, Megu Kataoka, Takuya Muramatsu, and Ryōma Terasaka fill out the roster.
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Frequently Asked Questions
What happens in Chapter 131 of Assassination Classroom?
Chapter 131, titled Erosion Time, opens on Kaede Kayano and Korosensei and carries the students of Class 3-E while layering in memories of several figures from the class's history.
Who opens the order of appearance in Chapter 131?
Chapter 131 of Assassination Classroom, Erosion Time, opens with Kaede Kayano and Korosensei, followed by Yuma Isogai, Hiroto Maehara, and Nagisa Shiota.
Which characters are recalled in flashback during Chapter 131?
Chapter 131, Erosion Time, brings back Akira Takaoka, Aguri Yukimura, Rio Nakamura, and Koki Mimura in a run of flashbacks.
How long is Chapter 131 and which volume is it part of?
Chapter 131, Erosion Time, spans eighteen pages within Volume 15 of Assassination Classroom.
Which chapters come before and after Chapter 131?
Chapter 131, Erosion Time, follows Chapter 130, Revenge Time, and leads into Chapter 132, Time for the Killing Technique.
Sources & Information
Looking for more on Chapter 131: Erosion Time? The Assassination Classroom Wiki on Fandom has a dedicated page with community notes.
View on FandomThis 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.
Official resources:
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