Sunil grunts with the effort, feelling the hot water washing over him as he thrusts urgently against his sister.

"Ughh! Ughh! Ughh!" He hears her grunt in return as each thrust pressed her harder against the side of the shower cubicle, forcing her large brown mellons to spread across the frosted glasses.

"I...ughh...wonder...ughhh...if....Janice...ughhh.. .and Mark...ughhh...are having such a....Gods you are deep!...good...ughhh....time?" Devi manages to gasp out.

"Dunno." The boy says, starting to feel the efforts of this latest bout of fucking.

He has other things to concentrate on!

__________________
"We need bigger guns." ~ Sergeant O'Neal, Godzilla (1998).