Toaru Reijou no Gyakuten Geki: Okakugo wa Yoroshikute?

Christine, the daughter of a frontier count, is suddenly told by her fiancé, Corey, that he wants to break off their engagement. Shocked, she isolates herself in her room, rejecting her family and childhood friend Joel who come to visit her out of concern. Disgusted with herself, Christine binge-eats sweets, only to suffocate to death—!?... When she wakes up from a nightmare, she finds herself reincarnated as a successful modern-day hostess! With her plump young lady appearance and memories of the past, she decides to take revenge on those who mocked her and her family for their dieting! In the social world where various motives intersect, a refreshing reversal of fortune for a certain young lady and her family begins—! (Source: Renta, translated)