Succubus-chan to Hajimeru Seikatsu Kaizen summary:
The gyaru JK that the exhausted office worker ``uncle'' met turned out to be a succubus! Because of this, my uncle's semen was so bad!A succubus gal, who thought that he would die because he couldn't eat, worked together to improve his uncle's health, such as taking care of his meals and exercising. Especially.