Sai in mahou - boku no teni yotte ochi teiku kanojo / 催淫魔法 -僕の手によって墜ちていく彼女-

The Hero and his girlfriend, Haruka, have a petty quarrel.
And their relationship is getting worse.
The girl began to move away from him more and more ..
Everything got to the point that one day ghosts began to appear to the hero!
And he felt that he was becoming a much more evil hero.
But what is it? Magic? Perhaps it will do a lot of harm? Or not?
A magical aphrodisiac affects erotic desires and relationships ...