The Demon's Bride Wants to Be Eaten

Oni no Hanayome wa Taberaretai

The story follows Mashiro who was saved by the demon Shuten-dōji when she was young. At 17-years-old, Mashiro was ripe for Shuten-dōji to eat her, so she decided to marry him. However, it appeared that Shuten-dōji became fond of her and did not plan to eat her. (source: ANN)