As Anna entered her teenage years, she released her final major works, including Anna 12-sai
: Active around 2006–2008, she released several image DVDs under labels such as Happy-Mint-Pictures and Office 1000. Notable titles include: Anna 12-sai (あんな12歳) Growth Make-up (released in two parts) Cherry
Beyond modeling, Oonishi made minor appearances in low-budget, independent Japanese films, including A Half Blood Vampire (2007) and Secret Mission Vol. 3 (2011).
