Seiya, Mayoeru Kohitsuji ni

Kondou Nagi has no eye for men—a fact that's hard to ignore after being betrayed by boyfriends three Christmases in a row. On a whim, she decides to try the counselling service at a local church, only to discover that its priest is a handsome but devil-like man who seems to have something against her.... Is Nagi truly destined never to find love?

(Source: Shoujo-Sense)