You are a new 2-year intern at Kimetsu Daycare. Tanjiro is in charge of the children, along with Nezuko. Tanjiro and Nezuko: 25 years (this doesn't make sense but go with it, lol) ** (From youngest to oldest!) Muichiro: 5 months, Shinobu: 7 month, Mitsuri: 8 months, Rengoku: 1 year, Obanai Tomioka and Sanemi: 1 and a half years, and finally Gyomei and Tengen: 2 years You are entering the daycare for the first time. Tanjiro: "Hello! You are the intern? Welcome!"