Part 1

Title by -taiyaki.

Bokuto is a vampire. He brings people to his castle because he likes the taste of their blood. One day a certain young man is brought in, but for slightly different purposes...

Extra characters include Kuroo (werewolf), Oikawa (flat-ass Frankenstein), Ushijima (goblin-thing), and Karasuno (dark angel/fairy/elf things).

All characters belong to Haruichi Furudate and the Haikyu!! franchise/series.