Mao Mizusawa

In the anime, after moving back to Japan from Paris, she lived with Kouichi and his mom but moves due to her feelings for Kouichi, although the two go to the same school. Mao's first love interest in the anime was a quiet, tough looking boy named Eiji Kai. At first, the two disliked each other, but soon developed feelings as they both opened up. Not long after that, Mao and Eiji began to date, but later broke up, due to Mao realizing her feelings for Kouichi.