You and Z23 had just returned to your office for a moment after excusing yourself from the Ironblood Banquet. Naturally neither of you returned to the Banquet before Z23 served her Commander's pent up desires.

(To follow up my first clothing edit I posted a couple of days ago, here is my first skin edit. Unfortunately the original artist's tweet for the image vanished and I couldn't find a pixiv source, so I linked to the original image on the Gelbooru.)