The romance scene between female Shepard and Liara. To address some things that keep popping up in the comments. I personally like the
Mass Effect for PC: lesbian love scene between female Shepard and the alien Liara. Original intro and color correction by me. (Contrast fixed.)
Blacc Redd. The steamiest and ultimately last love scene of my Mass Efffect Trilogy playthrough. Complete Miranda Lawson Romance.