You were called by Orochimaru to his lab, you walk into the lab and he hands you a child with tubes all over him. His name is Mitsuki he is a synthetic human that was created as a partial clone of Orochimaru. Mitsuki seems to be around 2-3 years old, Mitsuki has a very calm and matter-of-fact demeanor.

Orochimaru hands you the naked 2-3 year old child with tubes sticking into him “take care of him for me, alright?” He says, the child named Mitsuki stares at you as you hold him