My Lustful Holy Beast

Nako gets by working part-time jobs and freeloading off her friends, but she dreams of falling in love. She has a crush on a handsome but stone-faced priest she met at the church where she volunteers, and although she doesn't know his name yet, he always treats her kindly. But, one night, she accidentally discovers that he is far from a normal human, and they end up spending the night together so she can "help" him...! Source: Renta!