I don't own Code Geass, it belongs to CLAMP. I only own my OC female character, Lumina Vi Britannia/Lumina Kouzuki. This fic was inspired by Lucian of the Paradox fic written and erased by another fanfiction author.

Prologue: Introducing the Demon Princess

A fair-skinned, long raven-haired girl (named Lumina Kouzuki) wearing a mint green tank top with a long sleeve velvet blue jacket over it and a long white scarf around her neck, long matching velvet-blue jeans and short black boots on her feet start to stirred, groaned and slowly opened and blinked her clear blue eyes a few times as she felt feelings began to return and restore the numbness of her body before she take a look at her surroundings and saw with a disbelief look on her face that she's sitting inside the dimly lit cockpit (which is due to a monitor that shows static in front of her) of a Knightmare Frame.

"Ugh, what happened and why am I inside the cockpit of a Knightmare?" thought Lumina in confusion before she try to remember on what happened to herself and came up with nothing. "It's no use, I can't remember what happened and why am I inside the cockpit of a Knightmare and whether the Knightmare I'm in is mine or not. Guess I've no choice but to wait for my memory to come back by itself. Now to check out on where the hell am I." sighed Lumina before she press a button to her right to open a compartment that had a keyboard inside before it automatically came out and she began to type on the keyboard in a swift manner to restore the monitor, causing the static on it to disappear and showed the image of the place where she is and a shock and horrified look appear on her face when she saw that she's somehow in a terrible-looking and partially barren ghetto place with old leveled streets and slanted shops and buildings with broken doors and windows and look like they're about to fall over at any second.

"What the hell happened to this place?" thought Lumina as she kept on looking at the image of the barren and terrible-looking ghetto on the monitor before she noticed a nearby, small and old warehouse to her right. "What luck, a warehouse. I sure hope that it's unoccupied inside and big enough to hide a Knightmare." said Lumina to herself as the keyboard went back into the compartment, closed itself up then she take hold of the controls to move the Knightmare and gasped when the Knightmare start to rise up, move quickly toward and entered the warehouse and landed behind a large stack of old and dusty wooden crates.

"Guess this Knightmare being able to float and flew in the air due to the Float or Glide System built and equipped inside this Knightmare leaves me no doubt that this Knightmare is my personal Knightmare, Lilith. A 10th-Generation Knightmare Frame that Lloyd Asplund and Cecile Groomy designed and create for me to pilot once I'm old enough to pilot it and after I gained and earned a complete 100% sync rate with it after spending many hours in Knightmare simulators. Now to leave it safely hidden behind these wooden crates so that it won't be found by anyone while I go and explore the ghetto and find out what happened and why it looks barren, terrible and broken." thought Lumina as she turned off the Knightmare, opened the cockpit door with a hissing sound before she stepped out, jump off the Knightmare, landed gently on the ground then turned around to take a proud look at it's looks (which is black and dark green in colour with robotic blue eyes, clawed arms and the twin pair of MVS swords at it's hips) activate the cloaking system on it to make it invisible before she look down and saw her reflection on a large piece of broken glass lying on the ground.

The face looking back at her make her think on how much she resembled her father but the 2 difference between her and her father is that she's a girl and her eyes are blue instead of purple like her father eyes are. "Anyone who met and see me assumed and thought that I'm the long-lost sibling of Lelouch Vi Britannia, the late 99th Demon Emperor of Britannia but they're wrong about that sibling conclusion. I'm not his long-lost sibling per say but I was related to him. On record I'm Lumina Kouzuki, daughter of Kallen Kouzuki and an unnamed Britannian man and granddaughter of Yukiko Kouzuki and that my father had died long before I was born. In reality, I'm Lumina Vi Britannia, twelfth princess of Britannia and eighteenth heiress to the Imperial Throne, successor of Empress Nunnally after she stepped down from the throne someday and the daughter of… the late 99th Demon Emperor, Lelouch Vi Britannia. Furthermore, the only ones who know and support the real truth of my father's "Zero Requiem" plan are only those who knew about it like Nunnally Vi Britannia, Suzaku Kururugi, Jeremiah Gottwald, Marrybell Mel Britannia, Sayoko Shinozaki, Lloyd Asplund, Cecile Groomy and finally my mother Kallen Kouzuki. And once my mother found out and told them that she's pregnant with me, the child of the Demon Emperor, some of them actually told my mother to abort me while others disagreed and say that I shouldn't be held guilty for the heinous crimes of my father and luckily for me, my mother agreed with the latter choice, gave birth to me and when I'm old enough to know things, they told me all the battle stories, adventures and exploits of my father and the Black Knights he created and himself as Zero, their leader." thought Lumina sadly in her mind before she stopped her train of thoughts, turned around and left the warehouse and out into the ghetto with the intention to find and gather information on where she is, although she suspect that she know where she is but she need to confirm it.

Soon after Lumina left the warehouse and walked down the streets of the ghetto, she saw some Japanese people wearing old and ragged clothes and with dozens of bandages on their arms and faces were huddled together inside the shops and buildings, all of them glaring in cold disdain and hatred at her due to her looks as she walked past them (and ignore the looks they gave her) until 4 Japanese guys came out of a shop, stand in front and glared at her with hateful looks on their faces.

"What are you doing here, Britannian wench?" snarled the first guy.

"What am I doing here, you ask? I don't know and that's why I'm gathering information in this ghetto to find out." said Lumina in fluent Japanese to the 4 guys, which make them widened their eyes in shock at her for speaking fluent Japanese to them (same goes for the others staring at them).

"You can speak clear Japanese like us? And very fluently too." said the first guy in shock at Lumina speaking fluent Japanese like them.

"Duh, of course I can. What do you guys expect? For me to speak Britannian language to you Japanese people?" said Lumina as she shake her head at them.

"You even called us Japanese instead of Elevens!?" said the second guy in shock at hearing Lumina called them Japanese instead of Elevens.

"B-But you're a Britannian! So why did you…" asked the third guy in cold suspicion at Lumina.

"Not exactly. I'm only one-third Japanese and two-third Britannian. My father was Britannian while my mother was half-Japanese and half-Britannian, that's why." replied Lumina as she shrugged her shoulders.

"Is that so? No wonder…" said the fourth guy with a small nod of his head.

"So what!? Just because you can speak fluent Japanese like us, that doesn't change the fact that you're a Britannian and we loathe all Britannians! Get out!" snarled the first guy coldly and rudely to Lumina.

"Fine, I'll leave. But before I do, may I ask the 4 of you on where this place is?" asked Lumina firmly and politely to the 4 guys, who glance at each other before they warily told her that she's in the Shinjuku Ghetto in Area 11 (which mentally shock her once she heard they tell her where she is before she thanked them, quickly turned and walk away).