Masakazu Kajikawa, a talented flow chef with a one-character scar on his cheek, is a chef who is nicknamed Onimasa for his first-class skills and thorough work. However, he doesn't stay in one workplace with that much skill. Because when he was young, he wanted to find his missing sister, Etsuko, who was adopted because of the hardships of life. Kajikawa makes full use of the personal connections and personal stories he cultivated at Nagareita, and one day, Kajikawa will meet his sister again, and he will live as a family again.
