1girl, amagi_(volfuji), bare_arms, bare_legs, barefoot, bikini, breasts, brown_eyes, cleavage, collarbone, full_body, hair_between_eyes, halterneck, hands_on_own_knees, long_hair, looking_at_viewer, love_live!, love_live!_sunshine!!, medium_breasts, parted_lips, pink_bikini, red_hair, sakurauchi_riko, side-tie_bikini_bottom, sitting, solo, swimsuit, white_background