KDKJ-047 - Stepdad's corrupt education, a secret revenge drama happening in a house without mom

Haru moved in with her stepdad after her mom remarried. But her stepdad, suspecting her mom of cheating, targeted Haru instead. While mom is away, he turns into a beast, trampling on Haru's voluptuous body and forcibly satisfying his desires through malicious threats and abuse.