The Haunted House Salesman

Jake Jensen is bound to the Haunted House Sales System. He finds a Demonic Cultivator, Aria Summers. To reverse her demonic cultivation, they sign a Life-and-Death Pact and become husband and wife. To cure her, Jake accepts a mission to eliminate the leader of the Demonic Sect. Jake sells haunted houses for system rewards to become an unparalleled master. Aria was harmed by the Demonic Sect leader and transformed into a Demonic Cultivator.