
Quick answer — Aira Yuuki worked on The Saint's Magic Power is Omnipotent II (Music Producer), Horizon in the Middle of Nowhere II (Theme Song Performance), The Legend of the Legendary Heroes (Theme Song Performance) and 5 more anime.
Aira Yuuki worked on The Saint's Magic Power is Omnipotent II (Music Producer), Horizon in the Middle of Nowhere II (Theme Song Performance), The Legend of the Legendary Heroes (Theme Song Performance), A Sister's All You Need. (Theme Song Performance), sola (Theme Song Performance), The Ones Within (Insert Song Performance), Muhyo & Roji’s Bureau of Supernatural Investigation Season 2 (Theme Song Lyrics), IDOLM@STER: XENOGLOSSIA (Theme Song Performance).