Youko Kushiki

About

The first daughter of the Kushiki. Souji's blood-related older sister. Her bleak smile and mysterious beauty do not allow others to easily read her emotions. She feels a more-than-sisterly love for Souji, and trifles with him using words and actions.

Source: MangaFox, Scanlator: Kindan no Aku, Contributor: Kenrou