Two more cast members have been announced for 100 Sleeping Princes and the Kingdom of Dreams: The Animation:
- Hidenori Takahashi is Setique
- Seiichirō Yamashita is Kegaremal
Yukina Hiiro is directing the anime at project No.9. Natsuko Takahashi is handing series composition, Majiro is the main character designer, and Masafumi Takada is composing the music.
The first episode of 100 Sleeping Princes and the Kingdom of Dreams: The Animation premiered on Japanese television on July 5, 2018.