Tsuihou Sareta Akuyaku Reijou wa [Renkin Skill] de Kareinaru Cheat Seikatsu wo Mankitsu Suru

Henrietta, the daughter of a duke, is accused of a crime she did not commit, sees her engagement to the Crown Prince annulled, and is exiled from her homeland. The shock brings back memories of a previous life as a celebrated alchemist and unlocks an extraordinary skill. She uses it to stage her own death and set out toward a free new life, only for a wounded knight to drop out of the sky as she departs.