An uncle starts a harem cohabitation life after being intruded upon by four gal girls. Today, he is used by the girls to relieve their urges, ejaculating until he is completely exhausted. They take turns begging for sex, pushing the uncle to his limits! If Natsuki has sex, Ayane will too! If Reina does it, Liria will follow! The lovey-dovey sex, squeezing the uncle’s limits, doesn’t stop!?