4girls absurdres aiba_asagi armpits arms_behind_head arms_under_breasts arms_up artist_name bangs beads bikini bikini_skirt black_hair black_hairband blue_bikini blue_eyes blue_sky blue_swimsuit bow bow_bikini breast_hold breasts brown_eyes brown_hair cleavage closed_mouth cloud collarbone company_name copyright_name cowboy_shot crossed_arms dated drill_hair eguchi_yume flipped_hair frilled_bikini frills front-tie_bikini front-tie_top frown gradient hair_between_eyes hair_ornament hair_scrunchie hairband halter_top halterneck highres himeragi_yukina hip_focus kisaki_kiriha leaning_forward legs_together light_brown_hair light_frown light_smile logo long_hair long_ponytail looking_at_viewer medium_breasts medium_hair multiple_girls navel official_art outdoors pink_eyes pink_scrunchie purple_bikini purple_eyes sano_takao scan scrunchie serious shiny shiny_hair shiny_skin side-tie_bikini side_ponytail sidelocks sky small_breasts smile standing strike_the_blood strike_the_blood_ii striped striped_bikini swimsuit thigh_gap thighs twitter_username v_arms very_long_hair watermark web_address white_bikini yellow_bow