샤워하는 동안 나를 지켜보는 남친의 친구가 나를 따먹을 수 있도록 샤워실에 그를 초대하기로 결정했어

My friend is in the room watching a video on the computer, in which I go into the bathroom to shower. While I'm taking a shower, he takes advantage of seeing me, to which I realize and invite him to shower with me.