I'm Only 6 Years Old, Let Me Be the Kitchen God

On the twenty-third day of the twelfth lunar month, the Kitchen God will go to heaven to report on his work. Lin Mumu was stuffing the last piece of sugar melon into his mouth when an old man suddenly fell from the sky and smashed through the roof of his house. "The new kitchen king returns to his position quickly!" The old man handed over a "Heavenly KPI Assessment Manual" with a look of disgrace, "If it's too late, we won't be able to catch up with the annual work report!" Lin Mumu licked the sugar residue on her fingers: "Uncle, who are you?" The old man pointed to his burnt beard: "I am your predecessor, and this is your appointment notice - wait, why are you only six years old?!"