How to Feed a Hungry Vampire

On the way home, Heizi walked into an alley because of the scorching sun, but he didn't expect to encounter a non-human creature, and this non-human creature... Midorima: Not reading the morning divination will bring bad luck! Momoi: My Tetsuya was abducted like this! Kise: Why am I the one getting hurt again! My little black guy... Aomine: Tetsu was snatched away by a monster! Zhe should be mine! Murasakibara: Aka-chan is so strict——Kachikachi—— Akashi: It was mine in the beginning, and it will be mine in the end. Heizi: Please don't decide who belongs to me without permission, okay? And Akashi-kun, please tell me the contents of my lost memory. Conception: