1girl, arms_behind_back, bikini, black_hair, breasts, collarbone, glasses, grey_bikini, long_hair, looking_at_viewer, love_live!, love_live!_nijigasaki_high_school_idol_club, medium_breasts, nakagawa_nana, nasuno_(nasuno42), navel, open_mouth, round_teeth, simple_background, smile, solo, swimsuit, tan, tanlines, teeth, upper_teeth_only, white_background, yuuki_setsuna_(love_live!)