Variety Manga: I Became the Reverse Izayoi

Traveling to the world of Saiki Kusuo, he became a generation of "big devil" and returned to Izayoi. He thought he was going to be so busy, but one day an app suddenly appeared on his phone, and he was inexplicably involved in a game that was very interesting to him. "Teach, do you really think you can escape my observation?" "I'm not interested in you, Aizen." "Jingle Cat? Wouldn't it be a pity to kill him?" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.