1girl, 2boys, asics, blunt_bangs, breasts, brown_eyes, brown_hair, collarbone, competition_swimsuit, crossed_arms, girls_und_panzer, large_breasts, long_hair, mature_female, multiple_boys, nasunael, nishizumi_shiho, one-piece_swimsuit, open_mouth, out_of_frame, solo_focus, swimsuit