All The Way Through (Patreon)

Imprisoned yet again for bad behavior, Xal is offered an "easy" out - spend a single night with a massive inmate known only as the "Wife Ender". Figuring that won't be a problem, she accepts. This is the point at which Xal realizes that she has made a likely fatal mistake...

ETA: Added two pose/facial expression variants based on the sketch set this was inspired by.