Soon after transferring to Seisou Gakuin, Kanade finds the orchestra club in the middle of preparing for the National concur. Teaming up with the other members, she will improve her skills, meet new rivals and create memories for what will become an unforgettable summer... (Source: La Corda D'oro Wikia)

OVA bundled with Niθ Art Works Vol. 2, featuring a new character named Kagekatsu Uesugi.

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!

Fang Han, a humble family slave, held the belief since childhood that I would rather be a beggar than a slave, and traversed the world by himself. With an unyielding stubbornness, he broke through the mystery of supernatural powers and forged his body into an immortal body. Work hard to step into the fairyland step by step, and eventually become the peak king. (Source: bilibili)