who is very arrogant because not many can defeat him. After a school bus accident, which horrifically disfigures him, his face is reconstructed to that of Rina Kurimi, a fellow student whom he feels an attraction towards. After waking from his year-long coma, he is mistaken by Rina for her missing identical twin sister Yuna (the only difference now being their hair color, with Rina's being black and "Yuna"'s being blonde due to its having changed color during his coma). In the end, despite much inner turmoil on what to do, Masashi decides to pose as Yuna until he is able to find the real Yuna. At first, he has a lot of trouble acting like a typical female high school student, and his personality as Masashi comes out often with disastrous results. Even after being in a coma for a year, he is still incredibly strong which usually raises a lot of questions because of his small size. Often, as a running gag, he gets nosebleeds when he gets stimulated. However, as time goes on, he comes to discover a lot of things about being a female. Due to his vibrant personality and Rina's cute face, he gets many male (and one female) suitors in the school, something that does not exactly make him happy. Furthermore, one of his main fears is that he'll become accustomed to being Yuna for good. When it comes to matters involving Rina, however, he is often very selfless and only thinks about her happiness. She is the girl Masashi likes and, ironically, she liked him back before the accident; she just never told him. She has a quiet personality and feels responsible for what happened to her real identical twin sister Yuna after Yuna ran away from home. Rina is a very emotional person and depends a lot on Masashi (as Yuna) for support and guidance. She is a very intelligent person and the smartest in her class, but she seems to struggle when it comes to cooking. After Masashi came back as Yuna, Rina has become terrified that her sister will end up leaving her again and hangs out with her more often than not because of it, even trying to stay physically closer to "Yuna". She has noticed the change in "Yuna"'s personality, but likes it, even to the point of buying a wig that looks like "Yuna"'s hair and pretending