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...

Kiryuin Hanao is the idol of her school and her childhood friend Takezou Watanabe is always by her side, helping her throughout her activities. But when she suddenly becomes a giantess, she is forced to retu...

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...

Saya is an average school girl in every way but one: she's got a HUGE crush on her older brother! She's never been able to raise any flags with him (mostly due to her habit of beating him to a pulp whenever ...

Onizuka is an Oni and her childhood friend Sawarida is a human who likes to touch weird stuff. She might be in love with him, but he is too dense for love or is it the other way around? This was first publi...