Kotesashi Kouyou is the protagonist who possesses outstanding skill as a masseur. He aspires to become a sports doctor and wants to get scholarship in medical school. Starting spring, he will attend the high school attached to Seiwa University, a sports powerhouse. Since his family is not wealthy, he has to work as a hostel manager where he is allowed to stay in order to pay for his school expenses, however, there he encounters high school girl athletes with various problems. Kotesashi's job is to take care of them physically and mentally, as well as being the hostel manager. School girls from sports clubs and massages! All this will start a life full of intense excitement in the dormitories!

A high school student who likes Social Games, Naruse Hiroki was suddenly kidnapped with his childhood friend, Nagakawa Yoshika. When he wakes up, there is a realistic Rhythm Game where three high school girls dance according to his best friend Shinji's game. However, if he makes a mistake in the game, it will be a real-life version of the "Smartphone Game" that will die soon. Naruse, who had no choice because Yoshika was held hostage, was forced to participate ... Social Game x Death Game begins!