Tin and his brother were bothered by the behavior and noise of the bad boys. Tin is tossed by evil kid while his brother is away. My brother came home, but when I saw Tin, I couldn't do anything and stood up. An older brother who gets excited when he sees his younger sister being killed. The older brother indulged in masturbating while looking at his younger sister. And Tin also feels that situation and gets hooked on the depths ...