Or at least, so I interpret this hentai illustration — I see the marks on her back as being evidence of an access panel. Being a robot, she is naturally unfamiliar with quaint human notions of public decorum, and the more power to her there, I say. Original post here.
Sourced to BLEACH HENTAI via now-thats-what-i-call-hentai.
Nelliel Tu Odelschwanck. It’s a number 3 on her back.