Read manga: Blood Bank

Manhwa
Artists: Silb
Status: completed
Latest chapter: Chapter 61 - End
Updated at: Aug 25, 2019
Summary:

A world where vampire govern humans! Welcome to Blood Bank, it's filled with fresh blood. One is a hard-working banker and isn't affected by vampire pheromones. One day, Shell, the son of an overlord comes to visit for inspection. During One's report, Shell keeps staring at One. And later... follows him to the toilet!