Kochou

Kochou (蝴蝶 Kochō) is a famous courtesan and the manager of Kougaro, the number one brothel in Kiyou who is also one of the underground bosses of Kiyou.

Appearance
Kochou is an extremely gorgeous woman living up to her name as Kiyou's number one courtesan with purple hair and green eyes.

According to Shi Ryuuki, her beauty is only comparable to Hyou Shusui's beauty.

Plot
When Kou Shuurei was young, she came to work as an accountant in Kougaro, and two developed a close friendship. When To Eigetsu woke up unconscious in Kogaro, he was found by Kochou before eventually meeting Shuurei and her family. When Shuurei went to take the imperial exam, Kochou gave her a make-up box, saying that the make-up is the women's battle armor, because when a woman wears a make-up, she will not cry since tears will ruin her make-up.

Ryou Anju
Kochou was raised by Anju and she had always been in love with him.

Kou Shuurei
Shuurei had been working as Kochou's accountant ever since she was 10 years old and Kochou grew very fond of her. She is very protective of Shuurei and thinks of her as a daughter where she always encourages her and inspires her before she is about to take on any daunting task.

Heki Karin
Karin and Kochou appears to be old friends, although Kochou is always annoyed at Karin's aggressive attitude.

Etymology

 * The name Kochou means "Butterfly" (蝴蝶), which implies that it was Ryou Anju who chose her name given his enigmatic affinity of butterflies.