1girl, bare_arms, beach, bikini, blue_sky, breasts, brown_eyes, brown_hair, day, ganbare_douki-chan, kouhai-chan_(douki-chan), large_breasts, looking_at_viewer, medium_hair, mole, mole_on_breast, navel, outdoors, red_bikini, side-tie_bikini_bottom, sky, smile, solo, standing, swimsuit, thick_eyebrows, vergil_mon, wading