Mariko Shinoda is a Japanese actress and former idol, best known for her time as a member of the popular girl group AKB48. Born on March 11, 1986, in Saitama, Japan, she joined AKB48 in 2006 and quickly gained popularity, becoming one of the group's prominent figures. In addition to her music career, Mariko has appeared in various television dramas, films, and variety shows. She graduated from AKB48 in 2013, allowing her to focus on her acting career. Mariko is recognized for her talent and versatility in the entertainment industry.