Romp/Join her!
< Romp
You decided to kill two birds with one stone, as the saying went.
Closing the door behind you and taking off all of your clothes, you quickly joined your older sister, who still hasen't taken notice of your appearance, in the shower. Now getting hit with some water and much much closer, you can truly take in the sight of her nude body. You pause to appreciate her soft sighs as she enjoys her morning shower as well as the subtle movements of her body like the juggling of her tone rear or the way her chest moved up and down with each breath.
Your hard on was begging you to do something and do something you shall! You decide to...