My father is the coach of the volleyball team, so our family is a boarding house for athletic girls from outside the prefecture, so I didn't really pay attention to it until now, but I started to notice how erotic the environment was, being under the same roof with girls my age. ! He gets fully erect as he spends every day having sex with these girls who wander around unsuspectingly and defenselessly! When I thought that the girls would find out about it and my father would tick me off, the girl was around the age of ○.