Quick answer — Aoi Yuuki worked on Puella Magi Madoka Magica (Theme Song Performance), Saga of Tanya the Evil (Theme Song Performance), One-Punch Man OVA (Theme Song Performance) and 13 more anime.
Aoi Yuuki worked on Puella Magi Madoka Magica (Theme Song Performance), Saga of Tanya the Evil (Theme Song Performance), One-Punch Man OVA (Theme Song Performance), The World God Only Knows (Theme Song Performance), Forest of Piano (Theme Song Performance), A-Channel (Theme Song Performance), I'm Standing on a Million Lives Season 2 (Insert Song Performance), My Girlfriend is Shobitch (Theme Song Performance) and 8 more.