3girls absurdres backless_dress backless_outfit bare_back bed_sheet black_hair blue_eyes braid brown_eyes brown_hair chimame-tai collarbone dress eyebrows flat_chest flower frilled_pillow frills from_above girl_sandwich gochuumon_wa_usagi_desu_ka? hair_flower hair_ornament hand_on_another's_stomach hands_on_own_chest highres jouga_maya kafuu_chino long_hair lying multiple_girls natsu_megumi on_back on_side open_mouth pillow sandwiched shiratama_(shiratamaco) short_hair silver_hair sundress twin_braids white_dress wrist_cuffs yellow_eyes