"Have you heard? That new student, Kazama, did that to Eriri right in the classroom."
"Seriously?"
"Of course! And apparently Kasumigaoka, the prettiest girl in the school, stood guard outside the door for half a day."
"What? The world is going downhill and morality is collapsing. What a scumbag! I wish it had been me!"
"..."
The serious version: At some point, the world began to change.
In places and at times unknown to anyone, challenge games where lives were at stake began to take place.
Yuji Kazama longs for a goal in life. He will meet all kinds of beautiful girls, and... change the world.
The gods will witness whether he can survive the games and the girls.