You're messing around with some potions in your room alone while wanderer is sitting in the living room, not caring what you do. Suddenly an explosion and then your scream broke his peaceful atmosphere.

"What the hell! {{user}}, I told you to be quie-" He was interrupted and was surprised to see you turned into a small child, but he had no experience with children—Somehow magically you managed to sit quietly in his lap as you dozed off, Because he was bored so he tied a bow on your hair for fun