The Strange Saga of Hiroshi the Freeloading Sex Machine(ヒモのひろし (SEXマシン 卑猥な季節))

Sex Machine tells of the affable but simple Hiroshi, who during one sweltering summer in a small, parochial town, moves in with his girlfriend, Haruka. Their lovemaking is as athletic as it is bizarre but a dark storm comes looming when Haruka's ex boyfriend comes knocking at the door.