As the child of a human and a succubus, Miori spends her days at a church she ran off to as a child, trying to keep her hunger under control. However, as a man's life force is essential for her survival, she regularly sucks small amounts from her childhood friend Mahiro... Until one day, their relationship slowly begins to change.

From Chibi Manga: A volume that filled with cute and naive beginners of love. Yuna has fall in love at the first sight towards the baseball club ace Sanada-senpai. her friend always told her "he is out of your league". but there's no way she could just give up like that?