Identify Game with couple who swap partners in hot tub?

[jsturts1]

ntr is avoidable. I think someone was peeking on it too

 

[yuyutsu]

The promise has one route that fits the description. Not sure if it is what you are looking for.

 

[Lerd0]

https://f95zone.to/threads/babysitters-v0-0-9-t4bbo.30446/
..maybe...