Battle of the Busts! Yusuke has a problem – the kind of problem any guy would love to have. You see, there’s this girl named Reina, who wants him to be her “private tutor”… oh, and she just happens to have gigantic breasts. Huge, massive, watermelon-sized gazongas that taste sweet and are as soft as marshmallows. So, what could Yusuke’s problem possibly be?