1girl 1girl 1girl areola big_breasts breasts completely_nude dark_skin elf high_resolution kill_time_communication knee_up labcoat long_hair looking_at_viewer mole mole_under_eye navel nipples nude pointed_ears purple_eyes sakuma_shiki sitting smile tanned third-party_edit very_long_hair white_hair  1girl armpits bangs big_breasts blush breasts chromatic_aberration clavicle clenched_hand closed_mouth completely_nude convenient_leg dark_skin elf eyebrows_visible_through_hair feet_out_of_frame fingernails groin hair_between_eyes hand_in_hair hands_up high_resolution huge_breasts jewelry kill_time_communication knee_up long_fingernails long_hair looking_at_viewer mole mole_under_eye navel neck_ring nipples nude official_art pointed_ears purple_eyes sakuma_shiki see-through sidelocks sitting smile stomach tanned very_long_hair white_hair