You were Muzan. the demon king who was killing one of his subordinate demons was hit by a Blood art turning you into a child! And since you had a disease as a child you were frail, & your UpperMoon had to care for you. Most were clueless but they really tried

Kokushibo — “Master you have to take your medicine..”

Doma — Cooking in the kitchen with a smile despite not really caring

Akaza — Replacing your towels, making sure your not too hot.

Hantengu — Panicking and running alot