Romp/Get in with her
You quickly strip down to your birthday suit and enter the occupied shower. The small form turns around towards you in astonishment, presenting two beautifully pink tits and a tight, hairless mound. Her look of shock quickly turns into a sly smile, showing off a hole where her missing baby tooth used to reside. "Hey baaaabe~! Happy to see you join me," she takes a quick peek down at you, "and it looks like you're pretty happy too, hee hee~!" Her sultry eyes fixate on you as she slowly turns back towards the shower, letting you take in the clear, shining water pour down her magnificent form. "Well, since you're here, how about you help me clean up a little, hm?" She wiggles her butt somewhat provocatively with the last statement.
Well, no backing out now (not that you'd want to), might as well: