He finds out that his daughter Karin, whom he has cherished and raised, is the product of his wife's adultery and a cuckoo child. His anger towards his wife, who shows no remorse, remains, and Karin, unaware of this, innocently grows attached to him... He is torn between being his "daughter" and being a "stranger," and his twisted emotions finally explode. He licks and sucks her puffy nipples, thrusts his cock into her small pussy, and unleashes all his lust. "No, Daddy, stop!" He pours his semen into Karin's vagina, who writhes in protest. Now they can finally be a real family...