Maou no Amai Keiyaku

Although he is the grandson of a witch, Ryou possesses no magical abilities himself. Nevertheless, he finds fulfillment in baking delicious pastries at his grandmother’s café, a shop renowned for being unbreakable. His ordinary life takes an unexpected turn when she sends him to the café’s mysterious warehouse, where he encounters none other than a demon king. Now, he must navigate the startling revelation that he is expected to form a binding contract with this powerful entity.