An explicit close-up shows an adult woman lying back while a hand uses a small object on her body, with Japanese text overlaid near the corner. Likely next moment: the hand continues the motion as she remains reclined.
オホ声の園 @ohokoenosono

テンガエッグでま○こを擦られて 「ぁ゙あ゙あ゙あっっっっぁ゙お゙ぅっっっお゙ぅぅっっやばぁっっっぁ゙ぁ゙ぁ゙だめでしゅっっそこやばぃぃっっっっぁ゙あ゙あ゙あんんっっ」 と舌出し白目でアヘ顔アクメ つき @tuki_1154