Randou Masashi is a reckless karate champion who strikes fear into everyone around him. Yet, despite his intimidating aura, he is secretly in love with the gentle and beautiful Rina Kurimi. Tragically, Randou is caught in a horrific bus accident that leaves him in a coma with a disfigured face. A year later, he awakens to a shocking revelation: his face now resembles Rina's. Randou discovers that he was treated by a surgeon named Jun Manabe, who reconstructed his face using a photograph of Rina. Furthermore, Randou is presumed dead, and his parents have moved away as a result. Distraught, Randou encounters Rina and is mistaken for her twin sister Yuna, who ran away from home two years ago. Although Randou initially hopes to restore his original face, seeing Rina happy makes him reconsider his decision. However, a boy disguising himself as a girl is as absurd as it sounds, and being surrounded by troublesome individuals only complicates matters. Nevertheless, Randou remains determined to conceal his identity until he locates the real Yuna.