“No matter how many rejections you get, I’ll always be by your side…” Sou, a senior of the basketball club, is Touma’s childhood friend and lover. Although Sou is popular among his teammates and friends, male and female, once he has a steady partner, he gets obsessed with them, and eventually clings to Touma in tears when the relationship ends. Their relationship began in secret when Touma took advantage of Sou’s heart of glass. No matter how deep their relationship goes, Touma is on pins and needles, wondering if Sou will find out the truth. Maki, a teammate who noticed Sou’s distorted possessiveness finds it hard to leave Touma alone…!