Quick answer — Shikao Suga and arranged by Hyadain performed 1 anime theme, including "Monster Disco" from Digimon Ghost Game.
Shikao Suga and arranged by Hyadain performed the anime theme songs "Monster Disco" (Digimon Ghost Game).
Shikao Suga and arranged by Hyadain's first listed anime theme is "Monster Disco", the ending of Digimon Ghost Game.