By the king's order, Ennid, a genius alchemist, needs to develop a potion that shows one's...
recent fave surprised I haven’t added! Mage(?) makes potion to indicate future spouse and sees a young boy and assumes defective. Little does he know (yet) Prince from another land that’s cursed with reverse aging spells is the one he sees. The man goes to our MC to break the spell. There’s some initial barriers up but healthy dynamics will help counter these misunderstandings (and accidental groupings, suspected honeypots motives along the way )