By the end of 2012, the Four Horsemen will return followed by the defeat of Nyarlathotep, Nyx, Erebus and Izanami to destroy the world once and for all. With no other choice, Philemon seek the help of Naoya Toudou: the Emperor, Tatsuya Suou: the Sun, Minato Arisato: the Universe and Yu Narukami: the World.

The characters of BlazBlue enter a talk show, where the host will be ME.

In a different timeline, Ragna has defeated the the NOL and was finally living a peaceful life along side the one he loved. His life suddenly turned into a living hell by a mysterious man, and when it seems all hope is lost the last thing he expected lends him tremendous power. Now it's his job to save Ragna of the ChronoPhantasma world and stop the one who ruined his life.

There are two constants in the countless realities that make up the multiverse: humans will inevitably come into being, and humans will never be able to stop fighting. Two worlds, one flourishing, one ruined, are testament to that. 23 series total, 19 with significant plot involvement! Series list in Prologue.

One boy finds himself lost in an unknown world, where he can only remember his name: Kain. Now he must find his memories alongside his new friend, Iris Esperanto, by tracking down the only person who seems to have a key to his memories: Ragna the Bloodedge. Contains many OCs.

A trip through a Cauldron with Nu-13 leaves Ragna alone in a strange land, with a new "destiny" as the Messenger of Heaven. Amidst the forces of Sousou, Sonken, and Enshou, Ragna must strive to adjust to this new world and to the presence of people who trust him to guide them to peace and victory. AU, rated for Ragna's language and suggestive content.

Same story, a different Issei. Warnings! Extremely OOC. Grossly Overpowered Issei. Gary-stu Issei. Plot? What's that? Characters from other series shamelessly inserted in an awkwardly random manner. Harem, of course. DISCONTINUED/ON HIATUS UNTIL FURTHER NOTICE.

Issei Beelzebub. The strongest Devil in Underworld. Along with Sirzechs Asmosdeus, Vali Lucifer, Ajuka Leviathan they lead the Devils into their glory. What happen when he accidentally get stuck in the world where everyone see him as pervert and weak man? Moreover he the leader of underworld now become Servant! Powerful Issei!