The story of a guy named Kuro that wears a mask for a certain reason (To protect his identity. He is a sex worker.), and an office worker named Nanashi who is feeling down in the dumps for a certain reason.
* Caution: Contains some heavy past story content (with depictions of blood.)
The first 2...
Faded Moon And Sweet Fangs
Boku No Kanojo Ga Majime Sugiru Shojo Bitch Na Ken