My friend's mother

Kenji lost his mother when he was a child, and admired Hana, the beautiful mother of his friend Takuya. One day, she can't resist the growing feelings, so she sneaks into Hana's bedroom and pushes her down... Hana regrets having a relationship, but Kenji threatens to bully her son Takuya, and continues the relationship. Kenji, getting cocky, tied up Takuya and attacked Hana in front of her eyes. Hana resists, but gradually becomes addicted to pleasure...