Yamitsuki (やみつき)

Overview
Yamitsuki was one of (and is currently the only) the three main characters of Sick Mind.

Appearance
She has black hair decorated with white ribbons; her clothes consist of a black top, white skirt and black shoes.

Yume 2kki
One of the outfits in Urotsuki's dressing room is Yamitsuki's outfit complete with her white hair ribbons.

Me
A painting of her shirt can be found in the gallery in between Kurayami and Iratsuki's paintings. There is a pink bow at the bottom right of the painting.