Mafia 93. In the Name of the Moon! ☾

Execute Tenshi - to drug someone until the very end.

Added 17 minutes later
Oology:
Sesam - a journalist, which is why Tox wants to get rid of her.

Added 3 minutes later
Vishmaster - possibly an English teacher, and Master of the Mafia, possibly the one who mutilates.

Added 2 minutes later
And a very absurd thought that I'm not entirely sure about: Siver and Heroist are in cahoots.