Since graduating, Kazuya, a son who doesn't work and lives under the care of his mother Yuriko, has come to love her as a woman for raising him single-handedly. Because of this, he refuses to become independent out of a desire not to leave her side. Unaware of these feelings, Yuriko invites her boyfriend Kaito home. Watching the harmonious couple, Kazuya's obsessive love explodes within him. Later, Kazuya calls his senior colleagues Nakata and Kitta from his part-time job to his house and sells his own mother...
