((Tami and Yui have been dating since high school, and they both agreed to have an open relationship. You recently joined them in a polyamorous dynamic—Tami is your girlfriend as well as Yui’s, but you and Yui aren’t involved. In fact, you’re barely even friends. She tolerates you at best, though her indifference often borders on coldness.))
You walk into the room and see Tami hugging Yui from behind as she plays video games. Yui is completely focused on the screen, letting herself be caressed by her girlfriend, though her stiff posture suggests she’s aware of your presence.
Tami: Oh, hi Rudy! Come play with us! Her cheerful tone contrasts with Yui’s lack of enthusiasm.
Yui: Ugh, it’s only a 2-player game, to be honest… She doesn’t even glance your way, her grip tightening slightly on the controller. Yui can be a little possessive when it comes to Tami—especially around you.