Yuji visits the home of his childhood friend Kana Morisawa and first greets her mother, Kana. Seeing her again after a long time, he's struck by how her beauty remains untouched by age, now enhanced with a mature allure he hadn't noticed as a child. Unable to control himself, Yuji stares intently at Kana's lingerie, caught in the act. Cornered and desperate, he blurts out that he did it because he's in love with her. But Kana's unexpected response takes the situation in a shocking new direction, deepening the story beyond his wildest imagination.