Assassination Classroom Wiki
It's Time for an Upgrade
Japanese Title 改良の時間
Kairyō no Jikan
Volume 3
Chapter 21
Pages 19
Release Date November 26, 2012
WSJ Issue 52, 2012
Episode
Chronology
Previous Chapter Chapter 20
Time for a Transfer Student
Next Chapter Chapter 22
Time for Independence


It's Time for an Upgrade (改良の時間 Kairyō no Jikan) is twenty-first chapter of the Assassination Classroom manga.

Short summary[]

Long summary[]

Characters in order of appearance[]


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Volumes Chapters
1 1234567Extra
2 8910111213141516Extra
3 171819202122232425
4 262728293031323334
5 353637383940414243
6 444546474849505152
7 535455565758596061
8 626364656667686970
9 717273747576777879
10 808182838485868788
11 899091929394959697
12 9899100101102103104105106
13 107108109110111112113114115
14 116117118119120121122123124
15 125126127128129130131132133
16 134135136137138139140141142
17 143144145146147148149150151
18 152153154155156157158159160
19 161162163164165166167168169
20 170171172173174175176177
21 178179180Extra 1Extra 2Extra 3Extra 4