Volumes and Chapters

The Manga of Assassination Classroom is written and illustrated by Yūsei Matsui and was published in Japan by Shueisha in the magazine Weekly Shōnen Jump since Issue 31 of 2012. Viz Media will publish an English language version in tankōbon volume format only.

Chapters are numbered in the format Chapter X (第X話, Dai X wa) and generally named in the format XX Time (XXの時間, XX no jikan).

Volumes
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Chapters not yet in tankōbon format
These chapters have yet to be published in a tankōbon volume. However, they'll most likely serve as the the 20th and final volume of the series.

170. Next Generation Time (次世代の時間)

171. Final Boss Time (ラスボスの時間)

172. Students' Time (生徒の時間)

173. My Students Time (私の生徒の時間)

174. Facial Expressions Time (顔色の時間)

175. Lost Time (戻らない時間)

176. Time Has Come (やってきた時間)

177. Graduation Time (卒業の時間)

178. Time for Tears (涙の時間)

179. Time After Time (去りゆく時間)

180. Killing Time (殺しの時間)

Extra Chapters
A small 4-part series released after the end of the main series and focused on Koro-sensei's personal life during on winter break. This Extras also reveal a Main Character of the extras (Hotaru) that resembles actual Main Character (Nagisa) only to be in female version.

1. Home Time (自宅の時間)

2. Pub Time (居酒屋の時間)

3. The feature Time (素性の時間)

4. Thank you very much Time (ありがとうの時間)