
Quick answer — ELISA worked on 91 Days (Theme Song Performance), The World God Only Knows II (Theme Song Performance), The World God Only Knows (Theme Song Performance) and 1 more anime.
ELISA worked on 91 Days (Theme Song Performance), The World God Only Knows II (Theme Song Performance), The World God Only Knows (Theme Song Performance), Hayate the Combat Butler: Heaven is a Place on Earth (Insert Song Performance).