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CHAPTER IV: The Book is Wrong?

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Lavi hadn't understood why he had actually started to like the angel living in his living room, especially since Allen turned out to not be so nice after all. He had explained to Lavi that he had been nice to him hoping that would make him feel like changing. He had done the same thing to all of his other clients before as well, and it had never worked. This meant that the longer it took Lavi to want to change, the meaner Allen had to get.

"Lavi," Allen called out from the living room. "Teach me math!"

The redhead twitched. He had started to really hate the Exorcist now. He got more annoying everyday, and the only way to get him to stop getting worse would be for Lavi to change. There was just a small problem; Lavi couldn't get better when Allen got worse.

Nonetheless, Lavi sat down next to Allen.

"Exactly what do you want me to teach you?" he asked bored.

"Well," Allen said, thinking. "I know how you add and stuff."

"How to multiple too?" Lavi asked and yawned.

"Nope," the white haired said and smiled devilish. "Teach me that!"

"Shit…," the redhead said grumpily. "Don't you have any books you could learn from?"

"No, I only have the one from school and that's way too difficult."

Lavi didn't want to, but he tried to teach the other how to do the multiplication table anyways. He wanted to give up after ten minutes, as it didn't seem like Allen wanted to accept the way things were explained. The redhead was dead sure that he was just kidding to make him pissed off.

"But why is seven times seven forty-nine?" Allen asked.

"Because it is," Lavi answered.

"Why?"

"Because!"

"That's the lamest answer ever," the white haired complained and pouted. "Prove it!"

"Fine," Lavi moaned and grabbed a piece of paper and a pencil. "Look, seven…"

He wrote down the numbers after he said them.

"Plus seven, seven, seven, seven, seven and seven is forty-nine," he said as he put the pencil down and giving the paper to Allen.

"All right, fine," Allen said and shrugged. "But what about nine times five?"

"… I'm going to bed," Lavi said and got up.

"Oh, but I'm joking," Allen said and grabbed his arm. "Help me!"

"No, I'm sick of this, and I'm sick of you," the redhead almost yelled while he tried to free himself from the other's grasp.

Once he was free he went into the room and slammed the door shut. Allen slowly walked over to the closed door.

"Lavi?" he said carefully. "Please help me then!?"

"Get lost!" Lavi yelled.

Allen groaned. This happened so many times and he was sick of it. He decided to leave Lavi alone and go shopping instead. Every time he had a client he decided to shop for them. He didn't know why he liked doing it, but he got time to think of how to help them. Besides, he could buy whatever he wanted to eat then.

He grabbed Lavi's wallet from the table, which he did not steal by the way, as Lavi had said it was okay for him to do that, and went outside. It was very warm outside as it was August. Allen had never really liked the summer; he loved the winter, when it was cold and white.

On the way to the store Allen walked past a bookstore. Since Lavi had gotten sick of teaching him math already, maybe he should buy some books he could learn from!? He decided to go in and check; it wasn't like the redhead would be worried about him if he took long to get home anyways.

Allen walked past a few bookshelves before he got to the ones with mathematics. As he had no idea of which books to get he simply grabbed ten of them and decided to buy those. Hopefully Lavi wouldn't mind, not that Allen really cared anyways. The white haired put all the books on the counter. The man who owned the bookstore was short and old, and looked a bit like a mixture between a panda and an elf. It creeped Allen out a bit actually. Suddenly he realized who the man was.

"Aha," he said. "Aren't you Bookman? The man Lavi tried to sell at eBay, saying you where a mix between panda and elf?"

The man glared at him.

"I am Bookman, yes," he said calm. "And Lavi did what?"

"Oh, umm," Allen said. "Never mind."

"You know Lavi, huh!?" the man said. "Feel a bit sorry for you there."

Allen blinked.

"No, he's not that bad," he said and scratched the back of his head. "He's just… different."

"Indeed," Bookman agreed while he packed Allen's new books in a bag. "I blame Cross for that…"

"Oh?" Allen asked, wanting to find out more about his client. "What did he do? Was he worse than Tyki?"

"Oh, yes, much worse," Bookman said. "How well do you know Lavi?"

"Well," the angel said and thought. "I'm sort of his… well, I try to lead him in the right direction of life. Like a guardian angel or something."

"I see," the man said, still without any kind of expression on his face. "I suppose I could tell you. Do you know much about Lavi's life before he turned eight?"

Allen couldn't really explain the Book or the fact that he was an angel to the old man, but he didn't need to tell how he knew about Lavi's past, so he simply nodded.

"He was a really nice kid then," the old man continued. "You don't know the reason he changed, do you!?"

"Wasn't he… raped?" Allen said carefully, hating to even say that something so horrible had happened to someone.

"No-no, he changed before that," Bookman explained. "Not that that bastard Tyki did anything to help his trauma. No, Lavi changed after someone he really cared about died. It was pretty much Cross' fault."

Allen's eyes widened. Had Cross killed someone? As Cross wasn't his client, or had ever been, he hadn't read about his sins or anything before.

"Cross used to work for the police. He got fired after that incident, and then he spent three years in prison. Policemen have guns and alcoholics have drinks. Unfortunately Cross was both and had both a gun and alcohol. He got drunk one night and… well, he accidentally shot someone."

"What?" the Exorcist said, almost a whisper. "Who did he kill?"

Bookman looked up at Allen, finally an expression on his face; sadness.

"He killed a boy named Deak, Lavi's best friend and…," Bookman paused a bit and looked down, avoiding Allen's eyes. "And his brother."

Allen gasped. Deak was Lavi's… brother? The white haired hadn't even known he had had a brother. But that was supposed to be in the Book, right!? Had the Book failed? Was it somehow wrong?

"No," Allen said, shaking his head to clear his mind. "He can't have had a brother!?"

"He did," the old man said. "Deak was Lavi's older twin brother. They looked completely identical, but their personalities were completely different. Lavi was always cheerful and happy, while Deak didn't really care about anything and hardly ever smiled. They still cared about each other though of course as no one else did. After Deak died Lavi lost all meaning with his life. He didn't want to believe that the only person he cared about was dead so he pretended that Deak was still there with him."

"But…," Allen started, but he didn't really know what to ask.

He wanted to know why that hadn't showed up in the Book, but he doubted that Bookman would know the answer.

"He sort of lost it after that," Bookman continued. "He actually believed Deak was there, talking to him. After a while he developed a different personality, one that was much like Deak's. He still responded to his name Lavi, but that was probably because they used to pretend to be each other."

"He has a split personality?" the angel asked.

"Indeed. You haven't noticed?"

Allen thought about how Lavi had been ever since he had first met him. Most of the time he had acted annoyed, irritated, pissed… maybe that was Deak's personality? Then Allen remembered how Lavi was when he spent time with Kanda; he was actually happy and cheerful then…

Suddenly the angel realised what was going on. He quickly paid for the books and ran outside, back to Lavi's home. He didn't even bother buying food or anything.

He quickly opened the Book and flipped through the pages. Was it really possible that…? Yes, Allen understood everything now. Lavi had refused to remember his brother's death, and as he didn't remember that, the Book wouldn't have anything to write down. As for all the bad things Lavi had done; those were possibly Deak's actions, not really Lavi's. Lavi had actually fooled the Book and an angel, without even knowing so.

The Book had been writing about two peoples' lives and erasing what wanted to be forgotten.

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A/N: First of all; please forgive me for breaking my promise. I know this was supposed to be up yesterday, but my teacher decided to give me THE hardest piece of homework I've had all year. I had to write a looooong essay in two days; in GERMAN. And as I really suck at German, that's been hard to do… So I beg of you; be an angel and forgive me!?

Second; sorry for such a short chapter. My brain stopped working…

Yeah, about the split personality thing; originally Lavi's name was supposed to be Deak Nyne Cross in this story, but his nick would be Lavi Bookman. As I thought that'd be to confusing I decided to split his personality instead. I actually like the idea of Deak being Lavi's older twin brother, at least in AU stories.

So… like it?