"Would you like to explore a man's body?" Kakeru, an exchange student struggling with social skills, Yuudai, the center of attention, and Ryou, Yuudai's childhood friend, are unlikely friends who find themselves growing close. However, when Ryou starts dating a girl, Kakeru discovers that Yuudai has romantic feelings for Ryou. Kakeru, who secretly harbors feelings for Yuudai, suggests that they become friends with benefits to teach Yuudai about same-sex love. But Kakeru soon realizes the consequences of his deceitful actions.