Read manga: Two Keys

manga
Summary:

In a city split between humans and occult, Colin Aston just wants to run his diner and make bad coffee. A peaceful life isn't on the menu though, as a mysterious blonde shows up with a job only Colin is capable of performing. If he takes it, Colin will have to face sorcerers, politicians, and little old ladies... not to mention a secret that destroyed nearly half the city and hits a little too close to home.