Quick answer — Takurou Iga worked on TRILLION GAME (Music), WATATEN!: an Angel Flew Down to Me (Music), Asteroid in Love (Music) and 7 more anime.
Takurou Iga worked on TRILLION GAME (Music), WATATEN!: an Angel Flew Down to Me (Music), Asteroid in Love (Music), Kakuriyo -Bed & Breakfast for Spirits- 2 (Music), The Foolish Angel Dances with the Devil (Music), I've Somehow Gotten Stronger When I Improved My Farm-Related Skills (Music), Case File nº221: Kabukicho (Music), Cultural Exchange with a Game Centre Girl (Music) and 2 more.