Okada Nana Cover Girl of "BIG ONE GIRLS graph" 2020-12-23 AKB48/STU48 member Okada Nana is the cover girl of the Japanese idol magazine “BIG ONE GIRLS graph” (January 2021). The AKB48 star’s cool beauty is presented on 30 pages and a B2 poster. The magazine will be released on 23 December 2020. CDJapan: BIG ONE GIRLS graph January 2021 Share