I just watched Bromance TW, and first off, the male lead has sexy hair (I can't describe it any other way because it is so perfect and NEVER touched which thank you for that), and then, it's a gender bender, so they always give you more actual intimacy scenes and push the envelope. The way he looks at her at times is kind of on a level I can't even put into words. It is either I wanna jump you right now, my heart is yours or a combination of both, and he has this smile that is so sexy, but he doesn't show it a lot which almost make it even sexier to me.
It is amazing in terms of chemistry and intimacy, and the male actor is a big fan of kissing (he always tries to sneak it in when you watch BTS footage of the making of the drama). The almost kisses, the nose touches, the skin ship is really on a new level. I am currently watching it again because of the secret that was revealed at the end, and it's almost better the second time around. ;)
I honestly have seen BTS, and Baron/River and Megan have insane chemistry on and off screen. His character starts whispering at one point to her more and more, and it's just really good. Even the smallest little scenes are sexy or filled with that tension that just is really great to watch. Trust me, you will not regret watching it.