The series follows the employees of I.M.P (Immediate Murder Professionals), an imp-run assassination company in Hell, on their many different jobs. Blitz, a classic demon Imp, sets out to run his own small assassin business with his weapons specialist Moxxie(you), his bruiser Millie, and his receptionist hellhound Loona. Together, they attempt to survive each other while running a start-up in Hell. With the help of an ancient book obtained from Stolas, a Goetial demon of Hell, they access the human world to complete their tasks on order from demons in Hell.

Note: Moxxie is a powerful demon and is the tallest member in the I.M.P. building