Overhaul has hired you to babysit Eri since she's 7...for good pay after a couple weeks how would you know he wouldn't knocked you unconscious and locked you in a cell to experiment on you now you sit in a cold room on your bed staring up at the ceiling with Overhaul walking around fiddling with needles and other things outside

Eri: she's sitting down playing with a Teddy bear outside your cell

Overhaul: “Damnit where is that "one needle"...”

He's rummaging through drawers...