1girl, ahoge, blue_one-piece_swimsuit, bright_pupils, brown_eyes, competition_school_swimsuit, cowboy_shot, flat_chest, genderswap, genderswap_(mtf), hair_between_eyes, hair_bun, imamura_ryou, logo, long_hair, looking_at_viewer, one-piece_swimsuit, onii-chan_wa_oshimai!, oyama_mahiro, pink_hair, school_swimsuit, simple_background, solo, standing, swimsuit, white_background