A loser NEET turtle who only thinks about butts. Nao, a white gyaru and childhood friend of the turtle, is extremely lonely and comes to the turtle's house almost every day, relaxing and killing time as if it were her own home. Although the turtle didn't see Nao as a romantic interest, he inadvertently got an erection from looking at Nao's butt and was caught by her in the act of secretly masturbating. Unable to hold back, the turtle buried his face in Nao's butt and ended up having sex with his childhood friend…
