Yoshida, a 26-year old salaryman, was rejected by his boss whom he has been crushing on for five years. Heartbroken and drunk , he stumbled upon a runaway-from-home high school girl on his way back home. The girl, needing a place to stay the night, attempts to seduce Yoshida. Despite rejecting her advances, he nevertheless invites her into his apartment. The next morning, the girl, introducing herself as Sayu Ogiwara, reveals that she has run away from her hometown in Hokkaido all the way to Tokyo. For half a year, she continually traded sexual favors for a place to stay. Yoshida, however, remains unswayed by her seduction. Instead, he has her do the everyday household chores in exchange for letting her stay. And so, a touching relationship between two people, a heartbroken adult and a runaway high school girl begins.