Short OVA bundled with the volumes 1 to 6 of the Blu-ray releases of Sabagebu!

The world of Duel Masters is one of five great civilizations. Through a card game, duelists can bring these worlds into existence, making what was previously abstract into reality. These skilled duelists are known as Kaijudo masters. Shobu Kirifuda is the best player at his local playground, and seeks to become a world-class master like his father. His first step on the road to conquest begins with winning a local tournament. Rather, it should have, except he is destroyed by the best Kaijudo master in the world, Knight. Shobu loses, but upon remembering the words of wisdom his father instilled into him, decides to continue on the road of becoming a duelist who can enjoy the game for what it is. And so begins his journey to victory－and as we all know, the journey is the most important part!

The young warrior Yun Qingyan disappeared from the world three years ago, but he was actually drawn into the fairy world for three thousand years! With his extraordinary talent, he became the Yun Emperor, one of the ten great fairy emperors. However, because he was tired of the intrigues in the fairy world and missed his family, he decided to return to the human world at all costs. Upon return to the human world, his parents and sister strangely disappeared, and due to an incident whilst traveling from the fairy world to the human world, he lost his magic weapon and his cultivation became almost zero. Major forces took this opportunity to hunt him down. The fairy emperor became the target of public criticism, and his family was in danger! Yun Qingyan relied on his extraordinary fairy emperor talent to refine pills and array formations, study and practice, and overwhelm his enemies. He embarked on an adventure to revive his family, find his relatives, and rectify the mortal world.

The protagonists of the series are the three Kisugi sisters—Hitomi, Rui and Ai—who run a café called Cat's Eye. The sisters lead a double life as a trio of highly skilled art thieves, leaving cards with the name "Cat's Eye" at the scene of their crimes. They steal works of art that belonged to their long-missing father, Heinz who was a famous art collector during the Nazi regime, in the hopes of him contacting them. Toshio, the police officer investigating this case is the fiancé of Hitomi. He also swears to capture and bring down the Cat's Eye Gang.