Reiji Iizaki, a university student who died in modern Japan, was reincarnated into the world of an otome game.

His new identity was Alexei Zexyte, the third prince of the Zexyte Kingdom.

He was a mob character in the otome game.

However, Reiji—now Alexei—had never played an otome game...

This is the story of a protagonist, reincarnated into the world of an otome game, who unknowingly dramatically altered its scenario.