1girl, armpits, arms_up, blue_eyes, blue_one-piece_swimsuit, breasts, brown_hair, competition_swimsuit, covered_navel, hiroki_(yyqw7151), looking_at_viewer, love_live!, love_live!_sunshine!!, medium_breasts, one-piece_swimsuit, short_hair, simple_background, smile, solo, swimsuit, watanabe_you, white_background