2006–2007 (with legacy digital compilations released later)
Continuing the theme of her age-focused portfolio, she featured in DVDs documenting her early teenage years. anna oonishi from japanese junior idol exclusive
Her rapid rise continued with the September 2007 release of Anna at 13 Years Old (あんな13歳), which featured her in a schoolgirl sailor outfit alongside various swimsuits. She also collaborated with other young idols, such as Rin Koike and Julie Saito, in the DVD Rin and T's Friends! (りんとTなお友達！), released in October 2007. released in October 2007.