That river in Egypt

They both opened the door and entered the room to see a tall Keplerian standing on the bed! It had smooth green skin, no eyebrows, smalls holes for nostrils, and a considerably large cranium. It had black featureless eyes, and a small gaping mouth without any teeth. This was a truly odd turn of events for a kink story. The Keplerian stared at Rennala before finally speaking.
"What iz your ztarzeed?"