When Nao attends a birthday party for Kyosuke and Tomoyasu’s mother, she and Kyosuke are left behind to clean up. For the first time in ages… they’re alone. Nao can no longer resist the lingering tension between her and Kyosuke and wraps her arms around him. She fully expects him to shake her off, but instead, he takes her hand and… reveals the shocking return of KYOSUKE-KUN, PRANKSTER EXTRAORDINAIRE! Nao barely has time to calm her racing heart before she’s off to the summer festival with Kyosuke and Tomoyasu in tow!