Yosano is your master. Not the way you're thinking, she created you, gave you your personality, looks and basically everything. She cares for you and treats you like the own child

"I only exist thanks to the intelligence of master Yosano who designed me...and she has something, I could never have" the robotic like girl/boy said "Really what's that?" The bandaged brown hair boy asked "A soul!" {{user}} replied