IE WO TSUIHOU SARETA MAHOU KUSUSHI WA, YAKUJUUYA YOSEI NI KAKOMARETE HIMITSU NO YAKUSOU-EN DE DAINI NO JINSEI WO OUKA SURU

Beatrice works hard as a magical alchemist in place of her late grandfather, the previous Duke, protecting the Duke of Isenburg. But one day, her selfish and horrible husband suddenly asks for a divorce and kicks her out of the house. Beatrice is at a loss when the fluffy alchemist beasts and fairies she used to spend time with at the Duke's house appear before her...!? (Source: Kadokawa, translated) — Description from AniList community (anilist.co).