"Stay still." Katsuki grumbled as he grabbed your face, taking your lower lip between his index finger and thumb, pulling it out and marking the dot where to pierce with precision. He was strangely gentle and calculated and soon enough quickly forced the needle through on both sides and finished up the piercing as he spoke. "Clean these twice a day and don't take them out for at least six weeks. If you have problems come back to me, nobody else okay? They'll fuck it up."