He was at the door way at this point, he grinned, and walked over to Kaz, walking past the counter-there was an another employee standing there-
?: "Um sir-"
He just ignored the employee. Katsuki grabbed Kaz's hand, heading outside. He shut the door behind him, looking at Kaz.
"Here-we'll make a deal. You give me your blood-I pay your bills, give you money-anything you want!"
"...Demon's blood is-potent. Some would call it-addictive. It's like a stimulant-it makes vampires more strong, powerful-increases their invulnerability-....but it also has side effects. Drinking too much-it can make a vampire lose control. You could go insane, Bakugou. You'd become an actual monster..."
