Yua and Shouko are two sisters being looked after by a neighbor; they want to play a game to pass the time, but the neighbor proposes a new one: they have to give him a blowjob. Yua jumps in first, sparking Shouko's jealousy, and soon the sisters are fighting over who gets to suck the neighbor's cock. To stop the bickering, the neighbor suggests another game; he tells them to strip naked and picks Yua to demonstrate. Yua innocently straddles the neighbor's cock and tells him to move his hips; sh