Author's Note: So, one day, I decided to read Mirai Nikki: Paradox, and I absolutely loved it. So, once I finally got a decent premise for a continuation of it, I started writing. However, this is not a rip-off of the story The Knight's Diary by TheWatcher2785. While a few similarities may exist, and they share the same premise I will do my best to have my story differ from theirs. With that said, although I may not continue this in the near future, I hope you enjoy this!

A Sadistic Game: Chapter 1

A loud buzz reverberated through a small room. It contained white walls with four Sherlock Holmes posters, a full sized bed, a tiny desk, a moderately-sized table, a medium-sized dresser, and a Sherlock Holmes rug.

From the wide cerulean blanket, a fist appeared which travelled in an arc to the top of the red alarm clock. Subsequently, the noise stopped, and a slim young male yawned. He proceeded to throw the blanket off of him revealing his silver hair, coral red eyes, and silver pajamas. While unbuttoning his shirt to put on his clothes, he found a dark blue rectangular flip phone.

Hmm? How peculiar. I don't remember putting my cell phone here. This is certainly a mystery.

Suddenly, the boy smiled.

Well, no matter. Detective Aru Akise is on the case!

With that, the boy changed out of his pajamas and put on his normal attire; a white buttoned shirt, a blue jacket, a black tie, gray pants, and black shoes. He placed the phone in his pants pocket, and quickly ate breakfast. Afterwards, he gave his mom and dad a hug before getting on his bike and pedaling over to Sakurami Middle School.

He was a little early, so he decided to pull out the phone he found in the hallway. To his surprise, when he turned it on, there was already writing inside of it. The writing was typed and organized in bullet points.

How strange. I never used this before, and yet there's already writing in it. I don't sleepwalk, and I make sure to stay far away from any sort of drugs. Well, let's see what's here…

Yukiteru Amano.

Class 2B

2:40 PM

September 20th, 2013

Attacked by the 3rd.

Sakurami Department Store.

14th Floor.

Wait a second. 2:40 PM? September 20th, 2013? That's right after school today! But I don't have anything planned after school. Hmm…this is very interesting. Perhaps this device can predict the future? But how and why would this happen? And, more importantly, why did this device suddenly appear on my desk this morning? There are so many questions, and not enough answers. It's been a while since I've had to unravel a conundrum like this, but I'm certainly not complaining about it. I suppose I'll drop by the department store after school to investigate. Yes, now it's official; I'm on the case!

With a smile, Aru turned the phone off, placed it back in his pocket, and opened the door to Classroom 2C.

A few girls giggled and blushed as the silver-haired boy walked into the classroom.

"Aru-kun is so dreamy…"

"I wonder if he already has a girlfriend?"

"Don't get any ideas…"

The girls were whispering, so Aru couldn't hear them. With that, he finished walking to his seat near the back of the classroom. Although he wanted to investigate the mystery of his unusual cell phone, he managed to keep his focus on the lesson somewhat. However, he still took a few breaks to examine the phone. At 2:10, the final bell rang. Subsequently, he picked up his bag, ran outside, and rode his bike over to the Department Store.

2:39 PM. Looks like I'm right on time. So, according to this, the '3rd', whoever that is, is going to attack on the 14th floor of this building. Well, it's time to see if this is an elaborate trick or if this phone can actually predict the future.

The silver haired boy put his bike and bag on a rack right by the building and ran inside. He took the elevator up to the 14th floor only to see a man in a dark green trench coat with his back facing Aru. The sound of the elevator bell caused the man to turn around, revealing that he had a black cowboy hat, red hair, a gas mask, black pants, and a rather long knife.

His voice was muffed by the mask. "Who are you? You aren't the 1st!"

Aru was confused. "1st?"

"Wait, you don't know who the 1st is? Aren't you holding a Future Diary?"

"Future Diary? …Ah!"

So this thing can predict the future. I'm still finding this difficult to believe, but I can't deny the truth. My job as a detective is to find the truth and bring it to light, and there are certainly many more mysteries regarding this phone.

"Fine, so I guess you aren't the 1st. Although…I certainly wouldn't mind killing another Diary Owner! Die!"

With that, the 3rd charged at him. He moved rather slowly and Aru was rather skilled in close combat; training in it to help him achieve the title of detective. So, Aru managed to evade the 3rd's attack, grab his knife, and use the end of it on his left shoulder to pacify him. The 3rd howled in pain and dropped down to his knees.

"Ungh…bastard!"

Aru took a long look at him, and all of a sudden, a memory played in his head.

Two months ago…

During the evening, Aru walked down the stairs in his pajamas.

"Mom? Dad? Is Sherlock Holmes on now?"

His mother said, "No, not right now. However, it will be on in about five minutes. Want to watch a little news with us before it begins?"

Aru shrugged. "Sure."

With that, he sat on a scarlet colored couch and gazed at the TV.

The news reporter said, "And with breaking news, the infamous serial killer in Sakurami City has claimed yet another victim. And, despite numerous police efforts to catch the criminal, all we have concerning his identity are a few out of focus pictures."

The TV then cut to a picture of the corpse. It appeared to be male, and had been stabbed once in the heart, most likely leading to an instant death. A minute or two later, the station showed the pictures they had of the killer. They were clearly taken from far away, and all of them were obscured by buildings, but they showed a little of him.

Afterwards, Aru's dad looked at his son, who appeared to be rather deep in thought. "Are you alright, Aru?"

"Hmm? Oh yes, I'm fine. I'll probably talk with Nishijima-san and the other members of the police about this later."

Aru's mother bit her lip. "Be careful, alright, Aru?"

"I will. Now then, let us watch some Sherlock Holmes."

Back to the present…

With that memory in his mind, Aru narrowed his eyes, opened the phone, and punched in the number of the police station.

Suddenly, the 3rd yelled, "What are you do…ugh…"

A dart flew through the air and pierced the 3rd's phone, interrupting his question and causing him to slowly vanish.

Aru's jaw dropped, and turned around when he heard a female yell, "Good job, Yuki!"

Turning around, Aru saw a black haired boy with blue eyes, a yellow hat, an orange jacket, and a black undershirt, accompanied by a pink haired girl with pink eyes in an aero blue colored school uniform-esque outfit. Although Aru felt some sort of peculiar longing for the boy, he knew that he had to ask them a few questions about the events that took place today.

"Ah, good afternoon. My name is Aru Akise. And you are?"

The boy was the first to speak. "I'm Yukiteru Amano. Nice to meet you."

The girl narrowed her eyes. "I'm Yuno Gasai. What are you doing up here?"

Yukiteru Amano? That's the name in my diary! But how did they get here after me? I boarded the elevator right after 2:40. By that point, the 3rd should have already attacked him. I think I'll ask about that first.

Aru pulled out his cell phone. "Before I answer that, I'd like to ask you a question, Yukiteru-kun. According to my phone, you were supposed to be on the 14th floor of this store at 2:40. I boarded the elevator at 2:41. So, how did I get to the 14th floor before you?"

Yuno's eyes widened, and upon seeing Aru's Future Diary, her voice became deeper. "Wha…how did you get a Future Diary?"

"I found it in my room this morning. Now then, could one of you answer my question?"

"I…fine. I took Yuki up to the rooftop because the 3rd was waiting to kill him on the 14th floor. I figured that he would follow us as soon as his plan to ambush Yuki failed, but Yuki's diary said that the 3rd had been paralyzed, so we went back to the 14th floor and destroyed his Future Diary, killing him in the process."

Aru's eyes narrowed. "You do realize that the man you killed was an infamous serial killer, right? He had been loose for two years, and I was about to call the police after I had successfully pacified him. Now that he's gone, we can't extract more information from him. We also can't use his arrest to scare other criminals away from their own lives of crime."

Yuno gave an innocent smile. "Oopsies!"

Aru sighed. "Well, at least we don't have to worry about him anymore. Oh yes, before I go, I have one more question to ask. The man kept referring to someone as 'the 1st.' Would that happen to be one of you, by any chance?"

Yukiteru nodded. "Yes…I'm the 1st Diary Owner, and Yuno is the 2nd. There are supposed to be twelve in total."

Yuno puffed up her cheeks. "Yuki! He didn't need to know that! He's a Diary Owner too, you know! He'll kill you so that he'll become God instead of you!

Suddenly, Yuno turned to Aru and glared at him. "Don't you dare even think about hurting Yuki, alright?!"

Aru's eyes widened slightly, but he managed to keep his cool. "Relax. Killing people goes against my morals as a detective. I work to punish the guilty, protect the innocent, and find the truth. Also, what is this about becoming God?"

Yuno quickly put her hands up to her mouth. "No!"

Yukiteru's eyes widened. "Wait, you didn't know about the Battle Royale, Aru? That's strange. Deus called all of the Future Diary holders to tell us about it."

"Yeah, that is strange, Yuki. Wait a second! If that's true, then Deus must not know about your Future Diary! But that makes no sense! If you aren't one of the 12 Diary Holders, then how come you have a Future Diary?"

Aru smiled. "It's an enigma, isn't it? But, unwinding conundrums such as this is what I live for as a detective. Besides, if I wasn't called for this 'Battle Royale', then there's no reason to worry about me, is there?"

Yuno's eyes widened. "You…have a point. Come on, Yuki. Let's go home!"

Yukiteru simply nodded as Yuno dragged him to the elevator.

What a peculiar turn of events. A serial killer that the police had been tracking for years died because a simple dart pierced his cell phone…his Future Diary. Wait…ah ha! I see. The lives of the Diary Owners must be connected to their Diaries. I'll make sure to keep that in mind. Well, I've had enough excitement for one day.

With a yawn, Aru went down the elevator, rode his bike home, and took a nap. After a routine dinner and small homework session, the silver haired boy went to bed.

Meanwhile…

Murmur, bored from her usual shoujo manga series, decided to go out and watch the participants. Unfortunately for her, she came across Aru and his Future Diary.

Shaking with rage, she muttered, "How does he have a Diary? We only gave out twelve! And the Diary got slipped tohim of all people! He's such a party-pooper! I have to tell Deus!"

With that, she flew off to the Cathedral of Causality.

"Deus! I've got bad news!"

"What is it, Murmur?"

"Aru has a Future Diary! He could ruin the fun of your game!"

Deus simply laughed. "You don't need to worry, Murmur. He is my creation. If he becomes too unruly, I could end his artificial life right then and there."

Murmur was still worried, but she nodded and left the Cathedral.

Deus may not care about you, but I do. I refuse to let you ruin my fun! So, Aru Akise, know that I'm keeping my eye on you.