Rule 34 Dev - 1boy 1girl aqua_eyes bare_shoulders bikini blue_eyes blush bokutachi_wa_benkyou_ga_dekinai breasts cleavage collarbone colorized groin highres kirisu_mafuyu large_breasts long_hair micro_bikini navel pink_hair solo_focus stomach swimsuit thighs third-party_edit tsutsui_taishi yuiga_nariyuki|22314522906