Bakemono Club

Bakemono Club summary:

A somewhat shady secret club that's rumoured to be operated in secret at a night school. Bushiro knows that his childhood friend he's half living together with has something to do with it, under the name “Tonoko” and he infiltrates this secret club called the “Monster Club”, thus starts a mysterious experience. A girlyboy (?) × Boy × ???'s slice of life monster story begins!