This is bisexual and both boxer briefs. You clearly missed the target with this post.It is bisexual, but they are wearing underwear for the first half.
https://www.xnxx.com/video-f0h4n5f/threesome_bisexual_teens
Found the longer clip to that other 1 i just shared.. She reaches into his tighty whities & grabs his dick in the 2nd view.. I love this movie or whatever it is