Hyakkiyakou to Goengumi: Ayakashi Hotel no Keiyaku Fuufu

"Will you marry me? And help protect this hotel?"

Ayane Hanakago is 27 years old, but she is dedicated to her work and has no desire to get married. Until she got fired unfairly after an altercation with her boss. Instead of a job offer, she receives a proposal for a "contract marriage" from Taishiro, the handsome heir of a luxurious hotel! What's more, he is actually a great demon who rules the land of Sendai! Can Ayane and Taishiro work together to safely entertain the supernatural guests arriving at their hotel?

(Source: Comic Bridge, translated)