Kenji, who lost his mother at a young age, harbored deep feelings for Hana, the mother of his friend Takuya. One day, overwhelmed by his emotions, he sneaked into Hana's bedroom and forcibly pinned her down. Afterward, though Hana regretted giving in to the affair, Kenji threatened to bully Takuya unless she continued the relationship, leaving her with no choice but to comply. Growing bolder, Kenji tied up Takuya and assaulted him in front of Hana. Though she initially resists, Hana gradually begins to feel pleasure from the acts, becoming caught in a whirlwind of conflicting emotions.