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.