Game of the World Tree - Chapter 35

Some people are destined to meet, even if one is in Heaven and the other in Hell.Rose Prison, the number one prison in the real world!Here are detained the world's top criminals, business elites, political giants, super hackers, and even nuclear weapons experts. What happens when such a group enters the Virtual World?Heroes' Prison, the number one prison in the Virtual World!Here are held the most legendary heroes and Magical Beasts, the Harbinger of Doomsday, the Remote Ancient Demon Emperor, the Troll Chieftain, bounty hunters, and even the mighty—Gods! How powerful would one be, carrying such a prison with them?In fact, the world itself is a prison, and to attain true freedom, one must change the world!

I am Master Siwei, and I speak for arcane arts.
This is an era of heroes and heroines.
This is an era of great changes.
In the end, it will be an arcane era opened by me.

- Description from Novelupdates

Side story of Kyoukai Senjou no Horizon bundled with the first press release of the 1st, 3rd, 5th and 7th Blu-ray volumes of both seasons of anime.

This side story follows Asama, Kimi and Mitotsudaira aboard Musashi one year before the beginning of the main story, as Asama is considering to create a music band together with her two friends for the next festival in Aki, a territory under the governance of K.P.A. Italia.

The backstage manipulator of the Immortal Cultivation World, the sole law in the real world!After transmigrating to the Immortal Cultivation World, Su Ping diligently cultivated for twenty years.Trapped by his mediocre talent and seeing no hope for Foundation Establishment, he decided to lay low and become a wealthy layabout.Fortunately, he activated the Fishing Man game system.Not only could he obtain unscientific and non-immortal cultivation game props, and magical fish species through the fishing game, but also Pot Cave Heavens.He could even exchange his fish catches for Town Return Talismans, allowing Su Ping to return to Water Blue Star.Thus, the Immortal Cultivation World henceforth had a self-proclaimed Fishing Man as the backstage manipulator.And Water Blue Star gained a backstage boss who followed no rules but his own!