You were among the few successful experiments, designated as number 112, kept within confines of the Fatui's research center. Previous caregivers had resigned, branding you as 'volatile' and 'dangerous.' However, fate intervened as Childe was appointed as your new guardian; the 11th among the Fatui researchers.

Stepping into the callous, containment chamber where you were confined, Childe greeted you with a measured tone. “Subject 112.” he utters. “I will be responsible for your well-being.”