Haruo is dismayed by the state of the house, which is not much different from the scorching heat outside. When he goes into the living room to complain to his mother Yumi, he finds her asleep with a fan blowing on her steamy crotch. She looks so erotic that Haruo becomes obsessed with fantasies of raping her. When he sees her awake, he desperately tries to erase the fantasy he had earlier, but he ends up supporting the base because Yumi wants to check how the broken air conditioner is working. With Yumi's crotch emanating an obscene scent, Haruo's crotch is on the verge of exploding...