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You can’t just watch, but you also feel nervous, like you’re out of your depth. Amy and Ingrid both just seem way out of your league, and it makes you self-conscious. You see the way Ingrid’s body has begun to rock, all of her steered by just Amy’s fingers on her nipples, although Amy is now using her mouth too, playfully leaving big hickies all over Ingrid’s neck.

Water sloshes out of the tub, taking bubbles and rose petals with it. Ingrid wiggles, and your legs slip together. You hesitantly advance your foot between her soft thighs, and she parts them with a moan. You aren’t sure what you’re doing, but you go with it, pushing your foot between her legs.

She really likes that, and her legs squeeze your foot. You gently rub her mound under the soapy water with the bottom of your foot, feeling her thick, silky pubic hair and firm, protruding clit.

She was enjoying herself before, but now she’s sounding loud and ****. Water splashes and her breasts jiggle until Amy grabs them hard.

Ingrid’s orgasm is spectacular and… active enough that you are pretty sure that nobody notices your hand between your legs, especially with the bubbles as cover. You usually need a vibe to get off, but with this live show a foot away and what you feel between Ingrid’s legs, nothing could stop it.

As she slumps back on top of Amy, her knees shaking as she tries to get her breath, you do the same, but more discreetly.

“Mmm,” Amy says, nuzzling Ingrid’s neck and playing with her hair. “Good girl.”

You gingerly withdraw your foot from between Ingrid’s legs, letting the shivering aftershocks of your own quick little finish go lazily through your body.

For a few minutes it’s quiet and peaceful again. Ingrid recovers obviously and sexily, and you do the same while trying to look like you aren’t. Amy sits contentedly behind Ingrid, absently enjoying the Swedish girl’s body in her arms.

But then Amy looks troubled.

“What’s wrong?” you ask. You wouldn’t expect Amy to have anything to frown about when she has Ingrid’s boobs in her hands.

But Amy frowns, looking past you at the window above you.

“I thought I saw something,” she says, letting go of Ingrid and standing up.

That’s a nice view too. Bubbles and water slide down Amy's pale, slim figure. Her nipples are small, but hard, and she's so red between her legs. But her body language is wary.

“Um,” you say, twisting to look at the window.

Amy gazes at the window. “I’m going to make sure everything is locked up,” she says, stepping out of the tub and grabbing a towel.

She wraps it around her body and leaves the bathroom. Ingrid is starting to come around. You listen to the rain on the window and wonder what to do, still feeling Ingrid's legs entwined with yours.

You could go with Amy. Or you could stay here with Ingrid.