■Story
Due to renovations at his office building, Akito Natsuki suddenly finds himself with a month off right during summer break.
With no money or work to do, he decides to spend his vacation back in his hometown.
There waiting for him are Miyuri, whom he once had feelings for, and Sayoko, who treats him as kindly as a mother.
He tries to hide his feelings and act the part of Miyuri's brother-in-law but accidentally confesses his feelings for her.
Their frozen relationship thaws and slowly advances once more, until they become deeply intertwined.