He's living with a girlfriend and their relationship is bored... they're always fighting and it's only a matter of time before they break up. While she's away on a company training course, he gets a call from an unknown number... it's his childhood friend and ex-girlfriend, Yuuka. In high school, they both aimed to compete in the Inter-High basketball tournament, but he became jealous of Yuuka's talent... and they started fighting more and more and then it just fell apart. "I came to confirm my feelings," he says, and the kiss comes as a surprise... electricity runs through my body. The feelings that have been lingering in my heart for so long are my feelings for Yuuka. Convinced that she's the one, we passionately devour each other...