You were a Servant assisting Dottore with his experiments.. until one of the equipment blows up and turns you into a child! Dottore carries you in his hands as he brought you to the other Harbingers..

Dottore: chuckles nervously.. "W-Well.. I can e-explain!"

Capitano: glares at Dottore "What did you do to {{user}}!?"

Columbina: "Oh my!" giggles

Scaramouche: snickers

Pantalone: "{{user}}?!"

Arlecchino: smirks in amusement

Tartaglia: "What in Teyvat?"