-Mizukage (red/brown hair) will be in the pose of the 1st image with the woman with her hands on the desk.
-Ohya (the one with goggles) will be in the blowjob pose of the other black hair girl, and will be to the right of the Mizukage in the drawing.
-The guy with the Mizukage with be jerking off, cumming on her ass
-The guy with Ohya will look more normal (have a regular skin color)
-Both girls will keep their outfit from their original images
-Setting/background is up to artist
That's all; feel free to use other references for characters/poses if these aren't good enough.