Yumeru Kotoishi is seduced and fucked hard by his brother-in-law. Yumeru Kotoishi gets fucked by the brother-in-law he admires while his older sister is away. Even though he was only in high school, Yumeru Kotoishi was truly beautiful in a traditional way, which this guy really liked so he found a way to approach her and fuck her in the sweetest way. Yumeru Kotoishi initially begged and protested quite strongly, but after being fucked so hard, he didn't tell her about it and just enjoyed it. How fascinating will this incestuous love story turn out?