Daiya is a university student who wishes to have a girlfriend. He spends his days studying and playing around. He usually goes to Ohashi's apartment after a long night out. Living alone, he doesn't have to worry about anything, and his location is also convenient. Moreover, Ohashi is always willing to take care of Daiya! One night, however, a shocking incident occurs… This warm and fuzzy feeling between his legs- it was Ohashi's mouth, sucking on Daiya's private parts!?