[ Anime Sex ] Joshi Ochi! 2-kai kara Onnanoko ga... Futte Kita!? Season 1

Aikawa Sousuke is a part-time laborer who lives in a dilapidated apartment with his wife and son. When he wakes up one morning, he hears a cracking sound coming from his ceiling, and the inhabitant of the flat above him, Unyuu Sunoo, falls through a hole that has appeared in his ceiling and onto his bed. Sousuke and Sunao's humorous existence of sharing a home begins with this event.