I don't have any intel to confirm it, but my gut feeling is that we've seen the entirety of it already. The man that he's shown in bed with is a side character, a best friend of the straight main character. His only role in this show is mentioning how difficult a life of a gay man is. His plotline is not exactly followed by the camera; he's on the screen only through perspective of one of the two main characters.
If you're hoping for a scene of him making out with Musiał, rubbing in bed or even kissing, I have feeling it all will be off-screen. What we already saw, with Musiał's bare ass, is also shown from the perspective of the main character who comes back home, opens the door, sees his friend with Musiał, they exchange a quick
and the door closes to the next scene...