Dream Hunter Rem: Rem Toujou

Overview

Rem Ayanokouji is a very unusual young woman. Despite her youthful appearance, she is actually a private investigator, and due to her equally unusual abilities she can enter into other people's dreams. In the dream state she acts like a guardian angel, defending the dreamers from evil powers that lurk inside the spirit realm. Note: This entry is for the original release of the first episode of Dream Hunter Rem, which was released as a single episode OVA and features explicit sexual content.

Source: AniList