Sagesumareta Reijou wa, Daini no Jinsei de Akogare no Renkinjutsushi no Michi wo Erabu: Yume wo Kanaeta Minarai Renkinjutsushi no Dai Ippo

A young lady who finds her calling begins her "great turnaround in her happy life"! Meer, who works at the guild reception desk, witnesses her fiancé cheating on her just before retiring. After breaking off her engagement, she receives an unexpected offer to become the "court alchemist's assistant"!? This is the start of a work fantasy about a young lady who finds her calling! (Source: Kadokawa, translated)