1990s_(style), 1girl, air_bubble, ass, barefoot, black_one-piece_swimsuit, bubble, casual_one-piece_swimsuit, character_name, company_name, copyright_notice, doukyuusei, feet, full_body, hands_on_own_knees, legs, logo, medium_hair, one-piece_swimsuit, painting_(medium), red_eyes, red_hair, retro_artstyle, sakuragi_mai, soles, solo, swimsuit, takada_akemi, toes, traditional_media, twintails, watercolor_(medium)