A person in a white blouse and dark skirt is kneeling on a bed while another figure is close behind; the face area is obscured and the scene has a sensitive school-uniform context, so details are kept neutral. Likely next moment: they shift position on the bedding.
えら @ela_4th

18歳アイドル顔JKとの制服えっち 教室では優等生。でも放課後は... そんなギャップがたまらない