
Quick answer — Kakifly worked on K-ON!: The Movie (Original Creator), K-ON! Season 2 (Original Creator), K-ON! (Original Creator) and 4 more anime.
Kakifly worked on K-ON!: The Movie (Original Creator), K-ON! Season 2 (Original Creator), K-ON! (Original Creator), K-ON! Season 2: Plan! (Original Creator), K-ON!: Live House! (Original Creator), K-ON! Season 2 Shorts (Original Creator), K-ON! Season 1 Shorts (Original Creator).