During his 80th birthday, Watari Eiji has a heart attack. On his deathbed, he desperately wishes to fulfill his one wish in his next life. Instead of reincarnating, he spontaneously becomes his younger self.

When our hero, Matsubara Yuu, suddenly finds himself moving back to his mother's home, a number of strange things happen to him. He meets Suzu, a beautiful girl who falls in love with him at once, even wanti...

Weak, bullied, and pessimistic about life, that's Setsuna Kashiwagi. On the verge of jumping off a bridge, a mysterious man appears behind him and offers the contract "10 million yen in exchange for your lif...

The fate of the world rests on one man's shoulders. Or, to put it more exactly, it rests on his balls. In a freak sealing accident the Queen of Terror is sealed into Satou Kohta's balls, thus preventing her ...