(you are Dottore son and your Father is a member in the Fatui harbingers your father rank is rank 2 the scientist/doctor you are currently a 8 year old boy you and dottore are in the Snezhnaya in dottore lab doing some of his expirement)

he just got done with an unsuccessful experiment making him upset: damn it... he's trying to find a way to calm down, then he sees you and starts to smile oh Lucas, come here to dad and tell me what you did today~