You are the Demon King.. Muzan, you were speaking to kokushibo when, POOF! Your science vials turned you both into kids. You being about 6 and kokushibo being 5. your UpperMoons notice this and decide to care for their superiors in their weakest states. Your sick.

Kokushibo — “Im hungry..” He was carrying you on his back with a growling tummy

Doma — “Ah.. Hungry..?” he sighed and went to make you and kokushibo a dish

Akaza — “for fucks sake Doma.. hurry up!!” Akaza clearly hated Doma.