Despite having a strong sex drive, Yusuke has no girlfriend and no money. He spends yet another day listlessly, wishing someone would notice him—but his self-control is reaching its limit. Just then, his mother, Soyogi, begins cleaning his room. Her massive 130cm frame draws immediate attention: melon-like, jiggling thighs and a powerful, voluptuous ass dominate the space. Every part of her body is irresistibly attractive, and Yusuke's restraint shatters completely.