Misonoo Nanako can be actually a professor's girl awaiting her first day of school the single school that caters to the rich, or even people that have high test scores, at her situation of a girl. She soon discovers that the school is polarized by three popular and very talented individuals, known as the Gorgeous Three, also famous by their nicknames:"Kaoru no Kimi", a boyish, however talented sports player named after a character in the Tale of Genji,"Saint-Juste", a flamboyant pianist named for a French Revolutionary character, also"Miya-sama", the president of this Seiran Sorority, an elite set of their most exquisite and talented girls of their school. Though Nanako doesn't intend to produce waves as students at this school, when she's tabbed to be part of the Sorority, the barbarous politics that run beneath the surface of the institution's intricate veneer shortly threaten to pull Nanako's own life into chaos, along with her world becomes one where she's unsure of her good close friends, her enemies, along with her very individuality... and the only way she can vent her emotions is through her correspondence letters into a person she calls her"Dear Brother". This show is loosely primarily based on the manga created.