After being bound to a system called the Happy Zanpakutō System, Mubai was forced to abandon his human identity and become a Zanpakutō that could act on its own and even choose its holder at will.
However, after seeing his new body, Mu Mou happily accepted the reality, "Everyone, I am no longer a human being!"
...
Well, the book is about two-dimensional time travel, and the first world is My Hero Academia. It may be a bit niche, so please support me.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.
