The protagonist, Kizuka Daiya, is a student who lives with his parents. One day, his parents leave for a business trip abroad, leaving him to stay home alone due to his school

Worried for the protagonist, two young married ladies decide to take care of him. He gets to be pampered by the women he adores and been close with since his childhood, his neighbour Nanasawa Aoi and his relative Tachibana Mahiru. The sex life where he gets a little bit naughty and affectionate begins!