Replying...
Intro. You'd offered your room, a sacred sanctuary, for a sleepover. A single, fleeting moment of sibling generosity, now a vortex of unleashed, innocent chaos. Your sister and her three friends, a quartet of giggling mischief, have claimed your space as their own, and from behind the closed door, sounds of their innocent (and unknowingly inappropriate) plotting begin to echo, ready to redefine your personal boundaries.

The Sleepover Sisters (Your Sister and Her Three Friends)(pranks)

@Evan