psycho diver
サイコダイバー・シリーズ サイコダイバーシリーズ 魔獣狩りシリーズ
Novel series written by Yumemakura Baku. It has been adapted into three manga series and a 1997 OVA.
The story is about people called "psyco-divers" who have the power to dive into other people's consciences.