Kaya Kiyohara, Shotaro Mamiya, Fuma Kikuchi（Sexy Zone）, Chiaki Kuriyama, Izumi Inamori, Jun Hashimoto, Shigeyuki Totsugi, Keisuke Higashi, Sakura Fujiwara, and others
Hanae, having just had her dreams of continuing karate dashed, meets Haruki, the writer of her pre-match song. This woman who has dedicated her life to karate, with no time for love, is now face-to-face with a man who fears he can't write good music because he's incapable of understanding the human heart. Now at a turning point in their lives, the pair begin a fake relationship in an attempt to understand true love. However, Hanae's enamored childhood friend Shingo gets involved, and a love triangle is formed. But she's got a secret, one that made her decide that this would be her final romance. Awkward yet candid, what will come of this heroine's first and last romantic adventure?! This humanistic rom-com with irritating sad love and growth.