If you're looking for manga similar to Gargoyle of the Yoshinagas: Happy & Heartful, you might like these titles.
Melia, a village girl who is on her third life after two overworked lives. She is determined to live a slower life this time! but her enthusiasm is tempered by an alchemy that she did not know was already out of date, however, the alchemy she used, which she didn't know was already out of date, led to hersuddenly she is taken away...!
Having earned his boss' displeasure, Wilfried, who became a royal magician at a young age, was demoted and thrown into the weirdo's den, the division who did nothing but eat. He is assigned to be Ester's personal chef and his job entails feeding her and stopping her from running away from work.
Elm, the legendary Dragon-Armored Knight who once sealed six demon kings and saved the world countless times... is now a humble villager in the countryside! But what happens when he "accidentally" uses his OP skills...?