Hi, I'm a Witch, and My Crush Wants Me to Make a Love Potion, tome 4

It has been one month since Harij rescued Rose from the thief who broke into her home, and the two have had no contact since—until a woozy Harij comes stumbling through the hermitage’s door! It turns out he accidentally consumed the love potion he ordered, and is now drunk with lovesickness. In spite of Rose’s worries, the flustered witch secretly relishes in his affection, knowing this dream come true will end when the potion wears off only for Harij to suddenly propose to her?!