He turns away.
Helo doesn’t, and Lee watches Helo watching Kara.
Kara laughs, and Lee glances back at Kara. Kara’s watching Helo; laughing with Helo.
This is not new.
Teen, Helo/Kara/Lee. Not very explicit for a shower sex!fic, but absolutely enthralling for everything that’s between the lines. Also, outsider POV, which is my catnip.