Rule 34 Dev - 1boy 1girl all_fours ass bed black_hairband blue_eyes book breasts censored completely_nude from_above from_behind grey_hair hairband hetero highres kaguya-sama_wa_kokurasetai_~tensai-tachi_no_renai_zunousen~ kimoshi large_breasts long_hair looking_at_viewer looking_back mosaic_censoring nude open_book open_mouth pen pillow sex shiny_skin shirogane_kei|20787364143