A promising pâtissier meets his demise and leaves the world without ever having achieved his dream of making the world's greatest pastry. But when he is given another chance, he reincarnates as nine-year-old Pastry Mille Morteln, determined to be successful this second time. The eldest son of the Knight Morteln. His nickname is Pace. The memory of the previous life, the magic, and the passion for sweets have caused turmoil in the Kingdom of Proulich.