1girl, armpits, azur_lane, bikini, blue_bikini, breasts, flower, frilled_bikini, frills, green_eyes, hair_flower, hair_ornament, holding, holding_innertube, innertube, javelin_(azur_lane), javelin_(beach_picnic!)_(azur_lane), manjuu_(azur_lane), medium_hair, nukege_ojisan, official_alternate_costume, one_eye_closed, open_mouth, purple_hair, red_flower, simple_background, small_breasts, swimsuit, teeth, upper_teeth_only, water, waves, white_background, yellow_innertube