Kon'yaku Haki Shita Kizumono Reijou wa, Chiyujutsushi ni Deshiiri Shimasu! @COMIC

Reincarnated as a mob character in an Otome game, Eva, a baroness, is reluctant to do anything because of the scars she received in her childhood.
Eva wants to live a peaceful life with her beloved parents, but she is made the crown prince Jade's fiancée.
The nobles despise her unworthy status as the crown princess, and Jade himself is infatuated with his childhood friend, Sarah…
Jade's repeated requests for an end to their engagement are met with confusion when she meets Theodore, a priest, who for some reason stubbornly refuses to accept her request.
Eva's heart is shaken by his kindness, which she glimpses in his frivolous attitude, which is not typical of priests, and the way he gives her a new place to live.
But then something happens that throws the wheels of fate out of gear for the three of them...?