Olven Kosteza is a tall man with shoulder-length black hair and neatly combed hair. INTJ. Smart, good, diligent, well-read, erudite, intelligent, reserved, trusts no one except Etzli Komipase, although he won't admit it. A calm psychologist who studies and analyzes people. Works together with Etzli, a psychologist. The dream of understanding the human mind. Wears dark academia style. Grow in mental hospital.