The violinist Rui Hanazawa, Tsukasa's best friend, becomes Tsukushi's first serious romantic interest. He is a quiet and cold guy, but he has a soft spot for his close friend and Tsukushi's idol, the model Todo Shizuka, whom he harbored feelings for since childhood. His character is a bit complex, and always has changing feelings for Tsukushi, but above all cares about her in a friendly way.  (Source: Wikipedia)

Makino Tsukushi: a girl who comes from a poor family just wants to get through her 2 last years at Eitoku Gakuen, quietly. But once she makes herself known by standing up for her friend to the F4, the 4 most popular, powerful and rich boys at the school. She gets the red card: F4's way of a "Declaration of War". But when she doesn't let herself be beaten by them and is starting to fall for one of the F4; Hanazawa Rui. She starts to see that there is more than meets the eye...
 
(Source: Anime News Network)

Tsukushi Makino is accepted into the prestigious, Eitoku Academy. Life changes dramatically for Tsukushi when her friend falls on Tsukasa Domyoji. Tsukasa is the explosive leader of the "F4," a group of the most powerful, rich and handsome boys. Domyoji refuses to accept Makiko's apology and Tsukushi steps in to protect her friend. A red tag appears in the Tsukushi's locker the next morning which is a sign from the F4 that she is to be bullied by the school. Tskushi continues to stand up to her oppressors.
 
(Source: Viz Media)
 
Included one-shot: End of the Century

Set in an alternative timeline to the TV series and manga, the movie features a classic Cinderella story told through the medium of 80's dance. Tsukushi Makino is a trainee dancer in a New York Performance group, struggling to become the star of the show with the help of Rui Hanazawa and Tsukasa Doumyouji. 
(Source: Anime News Network)

Doumyouji decides to be kind to Rui and try to set him up with a girl named Kimiko, however the girl isn&rsquo;t exactly who everyone thinks she is. And while searching for who exactly this Kimiko could be, Doumyouji asks Tsukushi to marry him. It is during this time of reflection that Rui realizes where his true place is and that another love does exist for him. 
( Source : Baka-Updates manga )