Osamu Nishi has written at least 34 books. Their most popular book is Welcome to Demon School! Iruma-kun, Vol. 1 with 5 saves with an average rating of 5⭐.
They are best known for writing in the genres Fiction, Manga, and Fantasy.
Adventurous and funny are their most common moods.
 Welcome to Demon School! Iruma-kun, Vol. 1
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 Welcome to Demon School! Iruma-kun, Vol. 2
| 3 reads |
 Welcome to Demon School! Iruma-kun, Vol. 7
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 Welcome to Demon School! Iruma-kun, Vol. 19
| 1 read |
 Welcome to Demon School! Iruma-kun, Vol. 21
| 1 read |
 Welcome to Demon School! Iruma-kun, Vol. 32
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 Welcome to Demon School! Iruma-kun, Vol. 33
| 1 read |
 Welcome to Demon School! Iruma-kun, Vol. 3
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 Welcome to Demon School! Iruma-kun, Vol. 4
| 1 read |
 Welcome to Demon School! Iruma-kun, Vol. 5
| 1 read |
 Welcome to Demon School! Iruma-kun, Vol. 6
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 Welcome to Demon School! Iruma-kun, Vol. 12
| 1 read |
 Welcome to Demon School! Iruma-kun, Vol. 13
| 1 read |
 Welcome to Demon School! Iruma-kun, Vol. 17
| 1 read |
 Welcome to Demon School! Iruma-kun, Vol. 20
| 1 read |
 Welcome to Demon School! Iruma-kun, Vol. 22
| 1 read |
 Welcome to Demon School! Iruma-kun, Vol. 24
| 1 read |
 Welcome to Demon School! Iruma-kun, Vol. 25
| 1 read |
 Welcome to Demon School! Iruma-kun, Vol. 26
| 1 read |
 Welcome to Demon School! Iruma-kun, Vol. 27
| 1 read |
 Welcome to Demon School! Iruma-kun, Vol. 28
| 1 read |
 Welcome to Demon School! Iruma-kun, Vol. 29
| 1 read |
 Welcome to Demon School! Iruma-kun, Vol. 30
| 1 read |
 Welcome to Demon School! Iruma-kun, Vol. 31
| 1 read |
 魔入りました!入間くん 3
| 1 read |
 魔入りました!入間くん 4
| 1 read |
 Welcome to Demon School! Iruma-kun 5
| 1 read |
 Welcome to Demon School! Iruma-kun 4
| 1 read |
 Welcome to Demon School! Iruma-kun 2
| 1 read |
 Welcome to Demon School! Iruma-kun 3
| 1 read |
 Welcome to Demon School! Iruma-kun, Vol. 15
| 1 read |
 Welcome to Demon School! Iruma-kun 1
| 1 read |
 Welcome to Demon School! Iruma-kun, Vol. 16
| 1 read |
 Welcome to Demon School! Iruma-kun, Vol. 18
| 1 read |