The Ryuo's Work is Never Done! (Ryuuou no Oshigoto!) 19
The Ryuo's Work is Never Done! (Ryuuou no Oshigoto!) Bangai-hen 1
The Ryuo's Work is Never Done! (Ryuuou no Oshigoto!) 18
The Ryuo's Work is Never Done! (Ryuuou no Oshigoto!) 17
The Ryuo's Work is Never Done! (Ryuuou no Oshigoto!) 16 Special Edition with Art Book
The Ryuo's Work is Never Done! (Ryuuou no Oshigoto!) 16
The Ryuo's Work is Never Done! (Ryuuou no Oshigoto!) 15 Special Edition with Booklet
The Ryuo's Work is Never Done! (Ryuuou no Oshigoto!) 15