Beyond Chaos - A DiceRPG - 609. Crisis III

Four years after the Third Nightmare, something unexpected happens. A group of people find themselves in a strange theatre, which tells them to react to someone's story...?

A side story series featuring the girls of Kyoukai Senjou no Horizon.

In a realm rife with war and conquest, only the strong and cunning may survive.Planar travel has become the determinant of strength.Nobles and powerhouses travel the myriad planes, invading and plundering them to increase their personal strength, grow their military might and fund their endless wars.A systems engineer and lifelong web novel reader is reborn as Alex Fury—a young noble deemed talentless by his own family. Lacking his family’s bloodline powers and warrior potential, Alex is exiled to a Mage Tower.His fate is clear: master magic... or lose everything.No cheat system. No divine blessing. No hidden power.What he does have is a mind sharpened by logic, engineering... and stories.Blending the System Engineering and web novel knowledge of his previous life with the Rune knowledge of his new world, Alex Fury creates a revolutionary new form of magic unique to him...RuneTech Magic.From Runic Artificial Intelligence to an Interplanar communication networks; From Rune-powered super soldiers to Rune-crafted Power Armours (and mechas), from new energy sources to Perpetual Energy.With this marriage of science and technology, Alex will usher in advances previously thought unattainable in his new world, and his old one.This is a tale of power, rebellion, ambition- and legacy.Empires will rise to crush him. Worlds will try to deny him. But with intellect, invention- and just a spark of madness, he will carve his name into history.Witness the birth of the Rune-Tech Sage, and the beginning of a legend that will echo across worlds.

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates