“When I woke up, I had lost my memory.
The ratio of men and women was a little weird, with me being the only boy out of 160 girls.
As a guy with amnesia, I found myself in an unusual situation where beautiful girls kept saying, ‘I’m your girlfriend,’ one after another!
From tsunderes to yanderes, derederes, and even a new genre called eroderes!?But wait a minute.
Among them, there must be someone who pushed me down!?
In this harem school on an isolated island where sexual morals have been reversed, a love comedy mystery begins now!”