A person is talking on a cell phone while a person is standing behind her. It hints at a private adult-oriented moment continuing just beyond the frame.
Instant Salaryman @soku_worker2

二十岁左右女人的性欲真的不得了 所以只要该做的事都做好, ・约出来就立刻上 ・制造炮友 ・建立可以随便玩的环境 这些真的很轻松