10s 4_females 4girls ;d bikini black_bikini black_hair black_ribbon black_swimsuit blonde blonde_hair blue_eyes blue_one-piece_swimsuit blue_swimsuit blush braid breasts brown_eyes brown_hair clavicle cleavage closed_mouth collarbone copyright_name covered_navel digital_version female firearm groin group gun hai-furi hair_ornament hair_ribbon hairpin happy head_tilt high_school_fleet holding irizaki_mei jewelry long_hair looking_at_viewer masuishi_kinoto mature misaki_akeno multiple_females multiple_girls munetani_mashiro navel one-piece_swimsuit one_eye_closed open_mouth outdoors outside outstretched_arm ponytail pov questionable red_ribbon ribbon safe school_swimsuit sensitive shima_(shima_je) sky small small_breasts smile sparkle stomach striped striped_clothes striped_one-piece_swimsuit striped_swimsuit sukumizu swimsuit swimsuits swimwear tank_suit tied_hair twintails very_long_hair water water_gun weapon wet white_ribbon wilhelmina_braunschweig_ingelner_friedeburg wilhelmina_braunschweig_ingenohl_friedeburg wink yellow_ribbon

Unknown