Mamiko Aso (麻生 真宮子, Asō Mamiko, born February 5, 1964 in Fukuoka, Japan), whose real name is Miwa Tajima (田島 みわ, Tajima Miwa), is a former Japanese idol, singer and actress of the 1980s, who is currently a businesswoman.

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She started in 1984, forming the group Asō Mamiko & Captain (or Aso Mamiko & Captain), with the duo of dancers and singers Captain. After their separation in 1987, she continued her solo career as Mamiko Asō, releasing two singles in Japan, and a few plays in drama and film. In the 1990s, she released three singles in Italy, including Drive me crazy to Love in 1995, which peaked #21 in the local charts. In 1998, she created a company name, TAJIMA, she directs and produces its own among other Italian wine. Now using the artist Mamiko name, she released a new single in 2000, Walking in the Sunshine, and then, Your Lies that she released in 2004, and a book on Italy in 2006, Torino. She then resumed her real name, Miwa Tajima, and entered politics, cash stand for elections in Japan in July 2010.