
Quick answer — Asami Sanada worked on Sayonara Zetsubou Sensei: Nyankin no Kirisuto (Theme Song Performance), Maria†Holic Alive (Theme Song Performance), Di Gi Charat (Theme Song Performance).
Asami Sanada worked on Sayonara Zetsubou Sensei: Nyankin no Kirisuto (Theme Song Performance), Maria†Holic Alive (Theme Song Performance), Di Gi Charat (Theme Song Performance).