Even now in the Reiwa era, there are still many girls who run away from home for various reasons. Most of them have nowhere to go and nothing to do, so they easily accept the invitations of strangers. Kotone, who ran away from home for a trivial reason, is one of those girls. When she was hungry, she happened to meet an old man who called out to her, and she was so happy that she ended up living with him in his house...