A close-up explicit scene shows an adult performing oral sex on an erect penis, with hands visible around the shaft. Likely next moment: the mouth and hands continue the motion in the same close framing.
Remi and Kyon's Close Sex-Life Diary @remi_kyon

喝着酒躺着悠闲口交 比起啧啧声，下面的动作和嘴唇的动作都看得出来，所以很色情