I've seen Yanxi Palace, Dating in the Kitchen and Love between Fairy and the Devil--last 2 better--

AI Overview Age gaps in C-dramas: Is it really that bothersome or is it just ... Popular C dramas featuring older characters or mature themes include The Rational Life, Dating in the Kitchen, and Meet Yourself for modern settings. For historical or fantasy genres, consider The Story of Yanxi Palace, Winter Begonia, and Love Between Fairy and Devil, which sometimes feature mature protagonists or storylines with complex relationships.