1990s_(style) 1girl air_bubble bangs barefoot black_one-piece_swimsuit bubble casual_one-piece_swimsuit character_name company_name copyright doukyuusei feet full_body hands_on_own_knees legs logo medium_hair non-web_source official_art one-piece_swimsuit painting_(medium) red_eyes red_hair retro_artstyle sakuragi_mai scan soles solo swimsuit toes traditional_media twintails watercolor_(medium)