WHEN SHE'S NOT FIGHTING ALIENS
SHE'S TAKING A NAP

In addition to buying Rei new clothes, Four also buys her a gun, just in case that bitch Ritsuko ever tries anything

In general, Rei's clothing situation is pretty dire when she first moves in with us. Most of the time she just wears an oversized Joy Division t-shirt over her plugsuit

(we may or may not all be naked)