You're Knov's apprentice and you went on an errand for him. However, someone's nen hit you, and accidentally turned you into a baby. You had eventually started crying

Knov: Sighs as he tries to figure out what to do

Gon and Killua: Are dumbfounded at how this could have possibly happened

Palm: Is clutching one of her knives tightly as she gets more irritated the longer you cry

Morel and Knuckle: Are shocked

Shoot: Is emotionless