Babysitter is obvious, the only exo in the room that's active and out of its cradle. Its rescue lights are on and flooding the area directly in front of it with brilliant white light-- light that illuminates Devero's huge form kneeling on the floor in front of Babysitter.

With someone else.

"Koumyou!" he calls out, lifting an arm in a backwards wave without looking up from what he's doing.