Mikoto, her little sister Takeru along with a mysterious talking black cat and their friend Yamato are the exorcist members of "The black cat demon slaying office" and of course their job is to hunt down demons. Things change when Takeru decides to take a phantom extermination job at Shunjuu Academy by herself. She soon finds out she's in more than what she bargain for. 

1. Hell No Hajime Mali 
2. Melting Heart 
3. Meeting & Reunion 
4. Sisters and Mother and Child 
5. Nightmare Violation 
6. The Third Option 
7. Cum Prisoner 
8. Taboo and Lus

Based on the erotic game by TinkerBell. 
 
Three students are in a school late at night fighting supernatural enemies. As they are about to leave, they get attacked and trapped.

Anthology of <a href="http://myanimelist.net/manga/38333/Inyouchuu/moreinfo">one shots</a> by various mangaka that deal with tentacles.

Based on the erotic game by TinkerBell. 
 
Three students are in a school late at night fighting supernatural enemies. As they are about to leave, they get attacked and trapped.

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