4_females 4girls abe_kanari alternate_costume ankle_cuffs aoki_momo arms_up ball beach beachball bikini bikini_bottom bikini_top blanket blue_eyes blue_hair blue_sky braid braided_ponytail brown_eyes brown_hair brown_shorts cloud collarbone commentary_request d danbooru day eating female food from_side fruit green_eyes hair_bobbles hair_ornament hair_tie hands_on_own_thighs hat headwear high_school_fleet holding_sketchbook horizon knees_together_feet_apart leaning leaning_back leaning_forward legwear light_brown_hair long_hair looking_at_another looking_up low_twintails multiple_females multiple_girls ocean on_ground one-piece_swimsuit open_mouth outdoors outside pink_bikini pink_bikini_top pink_swimsuit ponytail popsicle red-framed_eyewear safe semi-rimless_eyewear shirt short_hair short_sleeves shorts sideways_glance single_braid sitting sketchbook sky smile standing sun_hat swimsuit t-shirt tied_hair tongue tongue_out twintails uda_megumi under-rim_eyewear very_long_hair watermelon wazumi_hime white_shirt white_swimsuit x_hair_ornament yagi_tsugumi yellow_bikini yellow_bikini_bottom

Unknown