Riko (Minami Riona), a high school student, is being tutored by Natsuki (Nanao Riona), the older brother next door. While studying, Riko approaches him and says "I love you!" Natsuki scolds her, but when Riko asks for a kiss, he suddenly pushes her down... The handsome actor Satonaka Natsuo plays the role of the older brother that Riko admires, and the beautiful girl Nanao Riona plays the spoiled high school girl Riko, and their passionate performances are the talk of the town!