Doumo, Suki na Hito ni Horegusuri wo Irai sareta Majo desu.

"I want you to make a love potion." The Good Witch of the Lake's four-year crush ended in heartbreak with a single request from the object of her affections! Wanting to increase what little time she has with Royal Knight Harij, Rose sends him on a wild-goose chase for the ingredients but gets more than she bargained for when the grumbling knight starts visiting her every day... to feed her? This is the heartwarming story of a shut-in witch and an arrogant, strait-laced knight whose romance starts from a love potion. (Source: Cross Infinite World)