Mysterious Revival - Chapter 4 - : Knocking on the Door

--Warning: This story contains graphic scenes of violence and bloodshed. No one under 18 is allowed---To not get confused by the end chapters, read Fallen Chronicles first----0---Have you ever pondered the mechanisms behind the Demon King's power system? Wondered how they attain such strength at the game's outset, or why they seem to advance in levels more swiftly and efficiently than the heroes?Well... this is what our MC will discover very soon.---0---

It is twenty-two years before the Battle of Yavin, and the galaxy is at war.Born to a not unimportant, not important planet in the Inner Rim, Rain never placed much thought into his future. After all, the galaxy is vast, and peaceful living should not be hard to find. Two decades later, armies are marshalled, and warships grace the stars, propelled aloft the wings of war. Armed with the knowledge of nine movies, Rain is forced into joining the galactic conflict. On the losing side.*AU with many, many POVs; don't expect a casual self-insert flick

It has been more than ten years since he was transported to another world. The protagonist Deris Fahrenheit, who has became a magician with special circumstances, was freely enjoying his life in this world. However, a girl appeared before him and asked him to make her his disciple. That girl seems to be a transported person――

It’s a story of him who becomes the girl’s teacher and trains her to achieve her revenge (?) in otherworld.

I was a genius in the Earthen Plane.