The Sawamura household was bound by a deep bond between mother and son. Their days living together, supporting one another, had been peaceful and warm. But recently, as her son entered puberty, his attitude suddenly turned cold. Facing his growing emotional distance, the mother begins to feel profound loneliness. In an attempt to fill this emptiness, she starts excessively doting on her son, craving his affection beyond normal maternal love. As their relationship grows increasingly intense, where will this connection between mother and son ultimately lead?