Noroigo no Meshitsukai

"You are the only servant for me." Renee, a girl with the curse of immortality, struggles to find a job as she keeps getting fired because of her curse. That is until one day, she is scouted to become a servant for a certain prince. As it turns out, the prince lives in confinement due to his curse of poison, which kills everyone he touches! Their curses are polar opposites, but as fate brings them together, their bond grows only stronger...

(Source: Comikey Media)