The moment Kokoro first met his father's new wife, Yui, he was captivated by everything about her. However, while his father was away on a business trip, a man appeared and invaded his house, and a few nightmarish days began! The man, who had killed someone and was on the run, tied up Tomo, pointed a knife at Yui, and raped her! The man had a bottomless lust. He greedily satisfied his appetite and raped Yui over and over again.