After her family’s wealth is seized, Lady Francette lives in poverty, selling pastries to survive. Then one fateful day she meets the slime duke, Gabriel, who asks her to marry him. What began as a marriage of convenience soon becomes something more!

On her sixteenth birthday, Mille-Feuille remembers her past life as the fiancée of the Dragon Duke Vacherin. She swears not to get involved with him again but winds up his personal attendant! Can she live in peace as her past influences her present?