stepmother of lust

Risa's husband Ryoichi's attitude completely changes as soon as she marries him as his second wife, and Risa is treated like an object, which hurts her heart. As if to add insult to injury, she witnessed the infidelity between her husband and her sister-in-law, Sayo, and was left speechless. Risa, unable to find her place, becomes even more anxious as she senses that her son-in-law, Taro, sees her as a sexual object. Then, just as she had feared, Taro appears in her bedroom. To his surprise, Sayo was also there. After Risa is raped, she comes to know about Taro's twisted love for his mother deep within his heart...