1girl,mesugaki,early teen,loli,tan,slender,black hair,short hair,medium breasts,narrow_waist,giggling,A girl in a shiny old-style navy blue school swimsuit is in shallow sea from the knees down, leaning forward and flicking the seawater forward with her hands, there are water droplets on the screen, slightly low-angle, summer, sunny, big smile, slight blush, sweat, wet school swimsuit.,tan,tanlines,