Seira Kokubyakuin

Seira Kokubyakuin (黒白院 清羅) is the student council president and one of the people of the group, "Popular Five" who is one of the few people that knows about Kanade Amakusa's curse, "Absolute Choice".

Appearance
Seira is a beautiful fair-skinned girl with ankle-length silver-grey hair that has two small purple flowers on top of her head with chest-length hair strands and silver-grey eyes.

She is usually seen wearing the standard girl's uniform.

Personality
Equivalent to her beautiful appearance, Seira always speaks in a polite manner and often acts like a proper lady would do. Most of the time, she will properly addresses other people with "-san".

Seira is also always shown to smile for most of the time, but seems to hide her true feelings from everyone.

She has a rather mischievous side as while she knows about Kanade Amakusa's curse,"Absolute Choice"; it seems like there are times she's helping him out but other times she usually chooses to make fun of him with the curse instead (which at one point further ruined his reputation).

Etymology

 * The name Seira means "clear, pure, clean" (清) (sei) and "lightweight fabric, gauze, thin silk, Rome" (羅) (ra).
 * Seira's surname Kokubyakuin means "black" (黒) (koku), "white" (白) (hyaku/byaku) and "hospital" (院) (in).

Trivia

 * Seira is ranked #1 in the popularity ranking and she is both popular with the girls and boys.
 * Seira is sometimes saying "Oh my", something a typical and proper Japanese lady would say.
 * It is heavily implied that Seira is connected to the Gods as she mentions them to Kanade Amakusa at one point.