Ayakashi Neko no Hanayome-sama

A college girl who ends up living together with a handsome spectral cat...? Akane's parents died early in life, and she was living a carefree life alone in her great aunt's house in the countryside. Her peaceful life changed drastically on her twentieth birthday. Suddenly, a beautiful man named Tokiwa, who claimed to be the grand master of the Ayakashi cats, appeared! Akane is bewildered when he tells her that they are a married couple. She refuses Tokiwa's sweet approach, but is told that the marriage is cursed and cannot be easily dissolved! Source: MU