Gwisindo Kkumeul Kkulkkayo?

Cha Seo-Jin is a college student leading a weary life plagued by sleep paralysis due to her ability to see ghosts. One day, while being kidnapped and harassed by a ghost, Seo-Jin is rescued by Seung-Do, an exorcist, by chance. Falling for Seung-Do, who protected her so admirably, he begins a relationship with him. Their romance starts with a heart-fluttering excitement. However, as his feelings for Seung-Do deepen, he begins to see increasingly suspicious behavior from him...

"After all, Seo-Jin, you were born with quite a mouthwatering soul."

(Source: Ridibooks, translated)