6 books in series

Cheerful Amnesia

Cheerful Amnesia is a 6-book series with 6 released primary works first released in 2017 with contributions by Tamamushi Oku.

Cheerful Amnesia, Vol. 1
Cheerful Amnesia, Vol. 2
Cheerful Amnesia, Vol. 3
Cheerful Amnesia, Vol. 4
Cheerful Amnesia, Vol. 5
Cheerful Amnesia, Vol. 6