1girl, 38-21, arms_behind_back, bikini, black_hair, blush, braid, breasts, cleavage, collarbone, cowboy_shot, front-tie_bikini_top, front-tie_top, glasses, grey_eyes, innertube, leaning_forward, long_hair, looking_at_viewer, love_live!, love_live!_nijigasaki_high_school_idol_club, low_twintails, medium_breasts, nakagawa_nana, open_mouth, pink_bikini, semi-rimless_eyewear, solo, swept_bangs, swimsuit, thigh_gap, twin_braids, twintails, under-rim_eyewear, yuuki_setsuna_(love_live!)