Okashi na Akuyaku Reijou wa Botsurakugo ni Amatou no Ouji ni Karamareru You ni Narimashita

Countess Rena recalls her memories from before her reincarnation, when she was an assistant pastry chef, and realizes that she is playing the role of a villainous daughter in an otome game world. Her engagement is broken and she becomes a commoner, but she wants to open a confectionery store, which was her dream in her previous life... (Source: Jitsugyo no Nihon Sha, translated)