Everything in the universe has a set value, however, the set value can be changed by adding more of the original material, combining more materials or changing the shape of the original material.Some materials even in their original state have a higher value like gold or diamonds while others like earth or water have a rather low value. High-value materials like gold or diamonds can easily be transported as they don't take up much space which makes them perfect for Exchangers.The value...

"David!" a voice called out.

"I'm in the library Aunt Jesy" he responded as he closed the book and placed it on the floor next to the lantern that was the only source of light in the otherwise dark room.

"David what are you doing here at this hour?" she asked as she entered the library and approached David.

She was more or less in her late twenties and had black hair going down to her shoulders, brown eyes that were focused on the boy sitting on the floor. She was wearing a black jacket, dark gray jeans, and blue sneakers but the most eye-catching thing she had on her was a thick gold chain around her neck.

"Couldn't sleap...I've read this page twelve times and still don't completely understand it..." David replied.

Jesy giggled slightly and pulled out a coin from her pocket and flipped it, as it was in the ait it began to warp and grew larger and by the time it fell back in her hand it was a remote. She pressed a button and the whole room lit up.

The room was around 15 by 15 meters, the wales couldn't be seen as there where bookshelves before each wall going up to the ceiling, excluding the wall that was on the right when you entered the room which had windows revealing a dark garden aluminated only by the light from this room. There were also several bookshelves in the middle of the room.David was sitting on the floor with his back pressed against one of the bookshelves in the middle of the room. 

"You're just like you're father, he also couldn't fall asleep when he had something on his mind" she sed with a warm smile.

"I read the family records, when my dad was at my age he could already do exchanging twice as fast as I can now..." David muttered as he looked away from his aunt.

Jesy looked at the book as she slowly bend down grabbed the lantern and blew it out moving it away as to make room next to David, she then picked up the book and sat on the now empty spot on the floor next to David.

"The Law of Exchange Volume one...David this is an introduction to Exchanging, you already know everything in here" she sed with a surprised tone.

"Like I said there's something in here that I don't understand" he took the book from Jesy, opened it and quickly flipped through the pages "Look here"

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Jesy looked at the spot where David was pointing "Unequal Exchange" she red and then turned her gaze to David "This...This isn't anything difficult at all David sometimes you just don't get what you give it's that easy"

"But that defies the very concept of Exchanging..." 

"David in Exchanging and in life there are cases when you lose more then you give it's not a difficult concept..." she thought about it for a few seconds and continued "ok say you plant a said, do you think there's a 100% chance that it will grow to be a delicious vegetable?"

"Well...No but Exchanging isn't like that the whole book up until this statement is about equal exchange and now it's telling me that everything before it was a lie?" David looked with a confused expression.

"Hhh" Jesy sighed "ok off to bed we'll talk about this tomorrow" Jesy sed as she stood up and grabbed Davids hand helping him get up.

"K aunty" David replied.

They left the library and continued down the long hallway.As they where walking while discussing Exchangement a loud explosion ended their conversation as it shook the ground making David lose his balance and fell to the ground Jesy quickly wrapped him in her left arm and pulled out 3 gold coins from her pocket and placed them on David's chest, they began to warp covering Davids body and at the same time changing their color and texture. When they finished warping, David's body was covered from head to toe in something that resembled a child's version of a bomb suit.

"Don't worry everything's gonna be ok I promise" Jesy yelled but David couldn't hear her he's ears were still ringing from the explosion.When he glanced at Jesy he noticed that her necklace had begun to warp, it quickly covered her whole body warping into a suit that a member of the black ops would wear. Jesy's speed took a hit as the weight of David, his suit and her one suit where weighing her down.But regardless she stubbornly pushed forth, she knew she had to get David to a safe spot.

After around 30 seconds of running, she stopped at a big iron door that resembling that of a safe.She put David down and took a few deep breaths as she moved to the screen next to the door she entered a code and it began to open.

"come on, come on, hurry up!" The door opened revealing a bunker it had metallic walls 3 beds and a table as well as a small kitchen, it wasted no space.

"David go inside you'll be safe" David's ears had heald to the point that he could just barely understand her words.

"Wait you come too, the door has an Anty-Exchange seal they won't be able to get in"

"You think that will protect us from people who can literally pull nuclear bombs out of their pockets ?!" Jesy looked at David and put her hands on his shoulders "Listen everything's gonna be ok I promise" she bend down and kissed David on the forehead "You're stronger then you think" she whispered then pushed him inside and pressed the screen the door began to close.

"You're the master of you're own destiny remember that and you'll be fine"

"Wait aunt Jesy Nooo!" David screamed helplessly as the door closed sealing his cries.

"Ok! I guess it's just us now!" a figure yelled as it approached Jesy.The figure was wearing a strange white suit that was composed of a white helmet, it had night vision goggles integrated in the helmet and something slightly resembling a gas mask also integrated in the helmet, the rest of her suit appeared quite strong  and covered her whole body slightly resembling a stormtrooper's armor only without any gaps in it.Armed with some sort of rifle that looked like it was taken straight out of a Sci-fi movie, then again the whole suit seamed quite futuristic.

"Guess so sis," Jesy replied as she flipped a coin warping it into an assault rifle.