This is an erotic visual novel that you need to check out in case if you like this type of games. You play for a guy who prefers to study hard in high school, rather than flirting with girls. He is a nerd, and even more he jerks off on his own step-sister while she takes a shower. One day he gets lucky. The sexiest girl in the whole school asks him to help with physics after the classes. It may seem that he won the jackpot, but there is a problem...