After a tear in reality pulls Kagari Shuya into a white room he discovers a futuristic interface for reincarnating in a different world. After looking through the different races and skills he unlocks a new race, Lucivault, a type of vampire with none of its characteristic weaknesses. All set to start his life in a new world, Shuya is confused to discover that he is enveloped in darkness. As it turns out something went wrong when he was transported and instead of appearing where he was supposed to, he appeared in an underground cave. Shuya faces untold dangers, runs for his life, before finding his way out of the underground world. After escaping he meets his Shishou and begins to learn to fight with a spear. There is also a cute black cat named Rollo.

The spaceship which Imperial Galactic Navy Officer Alan Corinth helmed was shot down by a surprise attack during hyper-space navigation.
Completely due to freak coincidence, Alan became the only one in the ship to survive.
The severely damaged spaceship lost its navigation capabilities and plummeted onto a nearby planet.

Using an escape pod, Alan headed toward the planet alone.
Thus began Alan’s quest for survival on the underdeveloped planet utilizing the symbiotic nanomachines [Nanom] within his body.
Surprisingly, the planet was home to a thriving human civilization whose genetic code closely resembled Alan’s own.
Even while remaining at a loss due to being thrown into a world of swords and magic, he tries to live as best he could together with his newfound comrades.

What would Alan achieve this strange world?

The Sci-fi Fantasy story in a Medieval setting now begins!

Record of Lodoss War recounts the adventures of a youth by the name of Parn, the son of a dishonored knight. Part of his motivation for adventuring is to find out what happened to his father, and to restore his family's honor. Despite his inexperience, Parn is considered the leader, who is accompanied by his childhood best friend Etoh, his friend and sometimes advisor Slayn (and later by Slayn's lover Leylia), and his newfound mentor Ghim. They are accompanied by Parn's romantic interest, the high elf Deedlit, who comes from the Forest of No Return seeking an answer to her people's isolationism and an end to what she sees as a slow march to extinction and a thief named Woodchuck. Throughout the series, Parn comes into contact with friends and foes alike. His allies include King Kashue, King Fahn, Shiris, and Orson; his enemies include Emperor Beld, Ashram, and the evil necromancer Wagnard.

The "saber" are immaterial entities that take possession of the body housing to protect our world by exterminating the "frame users" from another dimension. So that when possessed the bodies hosting lose consciousness, Kaon, our heroine, keeps hers. How would she cope with horrific monsters who threaten it now?

The story takes place in the same official Code Geass history as the anime, but in a different era. The title character, Renya, is a 17-year-old boy with a mechanical left arm and shuriken throwing stars as his weapons of choice. The story begins when Renya encounters a mysterious, perpetually young witch named "Reifuu C.C." C.C. has appeared in Japan's historical Edo era to seek a new partner for a covenant. Meanwhile, a mysterious man, with a striking resemblance to the character Lelouch of the original anime, also appears with unknown intentions.