Sen Hisakawa is a new student at Ryotei Gakuen High School Academy and befriends Yui Komori.
Sen has long straight white hair that reaches blow her back and icy cold blue eyes. She is slender and has pale skin.
In her school uniform, Sen wears a red sweater that shows her collarbone and has a choker. She wears a short skirt that has snow patterns on it. Sen also wears black shoes that 3 inches heels on them and wears black stockings.
Sen is very mysterious and antie social which is shows as she said that hates being around people. She's sly and clever to avoid trouble and seems to enjoy insulting people. Sen always wears a cold and emotionless face when she's with the other students but with Yui she's a bit happy. Sen does, however, tells Yui that it's useless to be kind to everyone that the latter meets. Believing that not everyone deserves second chances.
She appearances to read people easily and enjoys it. Because of her attitude, the other students all fear Sen and stays away from her. Sen is disgusted by the other girls who willingly to sleep with the popular boys (Sakamaki, Mukami, and Tsukinami Brothers) and even says that she'll rather die alone then to be a shameless woman.
Sen also shows to very short empered and aggressive if she is annoyed too much. Sen's very rude to the Sakamaki, Mukami, and Tsukinami Brothers. As she enjoys tainted them about them being "the princes" of the school. According to Reiji, Sen is like winter; cold and unforgiving. However, according to Yui, Sen is also like the snow; beautiful and soft. Although, this the latter is with the former.
Sen's past is very mysterious.
Yui Komori Edit
Yui is the first and only girl that Sen befriended. Unlike most the other students that she treats, Sen actually treats Yui very well. The two formed an odd relationship due to the fact their personalities are different. According to Yui, Sen is like snow, beautiful and soft. Sen sh to be a friend to Yui when the former managed to keep the latter from being harassed by the boys.
- Sen is very mysterious even to the boys.
- Her name means wood fairy.