It's Time for an Upgrade is the twenty-first chapter of the Assassination Classroom manga, released in late November 2012 and collected in the third volume. Ritsu features near the front of the cast alongside Korosensei, Irina, and Karasuma.
Summary
This twenty-first chapter belongs to the third volume, and its title carries the sense of a refinement or improvement. Korosensei heads the order of appearances, closely trailed by Ritsu, Irina, and Karasuma. The rest of the lineup is the standard Class 3-E roster.
Key Events
Ritsu's high placement, just after Korosensei, marks her as central to the chapter, whose Japanese title Kairyo, meaning improvement, suits her presence. Familiar students such as Isogai, Maehara, Sugino, and Karma fill out the remaining appearances.
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Frequently Asked Questions
What happens in Assassination Classroom Chapter 21?
Chapter 21, It's Time for an Upgrade, centers on Ritsu, who appears just after Korosensei in the order of appearances alongside Irina and Karasuma, fitting the chapter's Japanese title Kairyo, meaning improvement.
What is the Japanese title of Chapter 21 and what does it mean?
Chapter 21's Japanese title is Kairyo no Jikan, which means It's Time for an Upgrade, built on the word kairyo, or improvement.
Who appears alongside Ritsu in Chapter 21?
Korosensei, Irina Jelavic, and Karasuma appear alongside Ritsu in Chapter 21, along with the standard Class 3-E roster including Isogai, Maehara, Sugino, and Karma.
When was Chapter 21 released and how long is it?
Chapter 21 is nineteen pages long and ran in magazine issue 52 on November 26, 2012.
Which chapters surround Chapter 21 in the manga?
Chapter 21 follows Chapter 20, Time for a Transfer Student, and precedes Chapter 22, Time for Independence. Both sit in the third collected volume.
Sources & Information
Looking for more on Chapter 21? The Dragon Ball Wiki on Fandom has a dedicated page with community notes.
View on FandomThis content is original writing by Daddy Jim Headquarters based on the Dragon Ball anime series, manga, and official materials. Episode and chapter references are cited where applicable.
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:
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- Manga chapter pages: Jump Comics volume covers, credited to Shueisha and Akira Toriyama.
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