家出娘種付け姦誘～気弱なあの子を肉便器開発～

An old man is pressured by his work into quitting, and is unemployed.
Living an uneventful life, the only enjoyment in his day now consisted of masturbating.
One day, he saw a girl in school uniform waiting out the rain in a convenient store,
despite it being midnight.

The desperate man decided to use her to satisfy his urges. After offering an umbrella and being kind to the girl with nowhere to go, she ends up coming to his place. Her name is Tomomi, and ran away from home after a falling out with her parents.