A/N: Back to the Past Filler!

A heavy sigh left Lucy's mouth as she brooded. "Why do I have to do this?"

"Blame a certain fire slayer and ice mage. And I do wonder why I was dragged into this as well." Erza said as she carried some books.

"It wasn't our fault when Natsu and I accidently destroyed parts of a town." Gray muttered as he placed some books in the shelf.

"If anything, you guys should be the ones to clean. Not me!" Lucy whined while she placed a book in one of the shelf.

"Where's Wendy by the way?" Gray asked, while walking around, trying to stall.

"Since she recently joined, Master left her off with a warning. We are left with cleaning the storage." Erza explained as she collected some books in her arms.

"And why are you staring at me!?" Lucy cried, getting creeped out as Natsu kept staring at her.

Unintelligent noise was heard from Natsu as he kept staring at Lucy. Erza was quick to knock him out with fury. "I suggest you look at someone else. Gray perhaps."

Lucy gasped. "They would be so adorable together!", clasping her hands together.

"Eh?" Gray stopped in his tracks, and looked at the girls with confusions. "What you talking about?"

Erza smirked as a plan was forming in her mind. If she could get Gray to like someone else, then there would be less people who would go after Lucy. Her Lucy.

She will have to talk to Mira about this after this is all finished, since Mira is basically a master at matchmaking.

Erza turned to Lucy, "We'll talk about Gray and Natsu later. First, we need to finish cleaning up."

Lucy nodded in agreement. "And I'm sure Wendy wants to do something fun."

Then something clicked in Erza's mind and smirked evilly. "Lucy. How about we make the boys do all the work and we just kick back and relax?"

Lucy turned and stared at Erza with narrowed eyes. "If I recall, you were also responsible for the destruction as well."

"I had no choice. I needed to stop them!" Erza protested.

Lucy was not taking it. "Because you had destroyed parts of houses, ate countless of cakes when we accidentally destroyed a bakery. And you're saying it was all to stop Natsu and Gray?"

Erza deflated. "...Maybe?"

Lucy sighed. "If anything, I should be the one to kick and relax and watch you three work."

"But you wouldn't make your girlfriend to do the work...would you?"

Lucy smirked. "Yes."

Erza faked a tear. "You wouldn't"

Lucy chuckled. "Of course I wouldn't. I wouldn't let you do it by yourself, and before we knew it, you would have the library destroyed for trying to stop the boys. Someone needed to keep an eye out for you and the boys."

Erza narrowed her eyes. "You're no fun."

"Perhaps." Lucy smirked as she picked up a book and handed it to Erza. "Here, take this and put it on the bookshelf behind you."

Erza scoffed as she takes it and placed it on the shelf behind her.

"Hey, look what I found!" Natsu beamed, holding a random book.

"Who cares about that book, flame breath!?" Gray retorted, not interested.

"But it has cool pictures in it!" Natsu shot back.

Erza takes the book from Natsu's hand and scans it. "It's full of magic circles. Get your fact straight!"

Natsu cowered.

"Yeah, flame breath! Now get back to work so I can relax!" Gray shouted.

Natsu face-palmed Gray and started throwing insults at him. Gray retorted with more insults toward Natsu.

Lucy watched from the side as they were bickering, hoping that there won't be any magic involved.

Erza was about to tell them to knock it off when Gray was thrown toward her violently. Among all the chaos, Erza and Gray was dropped onto the floor, and the book that Erza held was dropped.

And the book begun to light the room with a pretty color of purple.

"What..."

"The book..."

"Is shining!"

"Huh?"

The purple light begun to intensify, blinding the mages.

When the light died down, the mages were all on the ground, shocked. Gray was on top of Erza, and Natsu was on top of Lucy. Happy was next to them.

When Erza sees where Lucy was, she kicked Gray off of her with fury and grabbed Natsu by the hair. "Don't you dare take my Lucy!"

"I didn't do anything!" Natsu howled from the pain of his hair being pulled.

Gray stood back up after being kicked by an angry Erza. He turned to an angry Erza beating Natsu up. Lucy was next to them with a nervous smile.

Then he realized something. He looked around. "How did we get outside?" Gray asked, asking no one in particular.

The mages turned to him with a confused look, before looking around.

"But we were inside the library." Lucy said, with a tangled look.

"That's not everything, look!" Happy exclaimed, pointing to a direction.

The young mages turned to the indicated direction and was speechless. Everyone was shocked by what they was seeing. 'Impossible' would be the word to describe what they'd be thinking. Because it was.

"The guild looks like it was years ago!" Natsu exclaimed.

"What the hell is going on!?" Gray muttered with wide eyes.

Erza turned to the book that still lied on the ground. She picked it up. "Is it because of this book?"

They continued to stare at their guild that looked so much like the guild before it was destroyed by Phantom. The guild of many memories. The guild where Lucy and Erza had bonded and grown. The guild of where Natsu and Gray continued to bicker with intense rivalry. The guild of where friends and family had gathered. It was all here in perfect condition.

Then Lucy noticed something at the entrance of the guild. "Somebody is coming out! Quick, let's hide!"

Lucy was confused and felt that there was a reason why the guild looked like the guild from years ago. The best action was to hide and see what was going on.

When the mages hid behind a crate across the guild, they watched as someone exited the guild.

To the surprise of the mages, a young Natsu, Gray, and Erza walked out of the guild. Young Gray and Natsu was glaring at each other while young Erza was walking out with face that looked angry.

"So there's two of you today?" Young Erza spoke up, glaring at them with crossed arms.

"I alone should be enough!" Young Natsu yelled.

"I should be saying that!" Gray shouted back.

Angry at each other, they both ran toward Erza, wanting to beat the redhead.

Young Erza only smirked, and in a flash, she knocked them to the ground without efforts.

"What's this? Are we done already?" Young Erza taunted.

Natsu and Gray sweatdropped as they watched this. They found it odd and weird to watch the get beaten up by a younger version of Erza.

Lucy was the first to speak up. "Why are we seeing a younger version of you three? It's as if we been sent to the past."

The mages froze as a realization was sunk in.

"The past?"

"Then where is the younger Lucy?" Erza spoke up.

Lucy sighed. "We don't know the date. For all we know, I had not joined the guild yet."

The mages continued to watch the younger selves of Erza, Natsu, and Gray. All the sudden, young Erza kicked them in the face with fury and started chasing them around.

"I told you to leave my cake and Lucy alone!" Young Erza yelled.

"What did we do?" Young Gray exclaimed, while being chased by an angry Erza.

"You ate my cake and made Lucy cry!" Young Erza shouted back.

"I didn't eat your cake!" Young Natsu cried. "Please don't cut me there!"

"I'm innocent!" Young Gray shouted.

Young Erza became angrier and jumped them and started beating them up senseless.

Lucy watched from behind the crate, clearly remember this day. She remembered how Mira had ate Erza's cake and picked on her to make her cry. All to make to Erza mad and fight her. Of course, Erza would immediately blame the boys.

She couldn't help but laugh at the sight. Lucy had a lot of...obstacles and fears. She wouldn't be here if it wasn't for Erza and Fairy Tail being a family that she never had.

But the only question remained in her mind. How do we go back?

"In any case, this isn't the time for reminiscing. We need to find a way back to our world." Erza said, crossing her arms.

Lucy nodded in agreement.

"Why? I think its fine. Let's look around for a bit." Natsu grinned.

"Fine by me." Gray agreed.

Erza hit them both in the head. "You idiots! Haven't you ever heard of time paradoxes?"

"Time paradoxes?" Happy repeated with a question mark above his head.

"I read about them in a book. The past and future coming together at the same time...Messing with something in the past could have some serious repercussions in the future. A 'butterfly effect'." Lucy explained.

"If we do something to alter this world, there's a possibility that we'd change history." Erza added. She turned to the other mages. "Listen, Natsu, Gray..." She trailed off, seeing that something was off...something, or someone was missing.

Lucy facepalmed. "Even Happy!?"

Erza paled. "Those guys..." She took a deep breath before she begun to yell with rage. "I didn't think they be this stupid!"

Lucy back away a bit from an angry Erza. As much as she loved her, she was still a bit scared of an angry Erza.

"What do we do now?" Lucy asked.

Erza sighed and took a deep breath. "We need to find them. I would say that you go and find them, but I don't want you to leave me."

Lucy chuckled. "I wouldn't leave you."

"No...I mean...Just don't go anywhere."

"But we need to find them." Lucy said.

Erza sighed. "I would go. But I need to decipher this book and try to find a way back to our world."

"Then how about we do it at the same time." Lucy offered.

Erza perked up. "Huh?"

"You decipher it while we go and find them."

Erza shook her head. "I can't read and walk at the same time. Too much distraction."

Lucy sighed. "Then I will go and find them. You stay here and try to find a way back."

Erza struggled to say no, but Lucy's right. She forced a 'fine' through her throat. "But first, we need a disguise, so this world won't know that were Erza and Lucy.

"What kind of disguise?"

Erza only smirked.

~Many seconds later that the old narrator got tired of narrating and they had to hired a new one~

Lucy looked down at her new 'disguise'.

Erza shook her head with confirmation of delight. She was enjoying this too much. "With this on, no one will suspect that you're Lucy."

"I'll just attract more attention!" Lucy protested. "Please be reasonable, Erza. Why is a bunny costume a disguise? I don't like this!" Lucy didn't like this, even though Erza was wearing a cat costume, which looked really cute on her.

Erza faked a tear and sniffed. "But because we changed worlds, my summoning powers could only get these two costumes."

Lucy made a frustrated groan. "If we avoid people that we know, then it's fine."

"It's too dangerous. I rather do this than take risks."

Lucy glared at Erza with narrowed eyes. She's doing this on purpose...isn't she? She's enjoying this too much.

"I hate you." Lucy muttered before walking off in a huff.

"I love you too!" Erza called out with a guilty look, hoping that she didn't make Lucy too mad at her.

Lucy stalked into the guild and hugged the wall, hoping that no one will detect her. She wanted to check it out, and see the things that she may have had forgotten.

She sees many familiar mages, and some mages that were no longer part of the guild, and some mages that are still part of the guild. It brought Lucy some memories of happiness and fear.

Meeting Erza for the first time and being led to this guild. Meeting Levy and the boys. Meeting Makarov. Meeting many more. And fighting the inevitable destiny of her father attacking the guild, just to bring her back.

Lucy loved this guild so much.

"Miss."

Lucy froze with fear. She hugged the wall to hide. What went wrong?! She looked down and Lucy swore that her heart had stopped beating.

A younger version of herself was staring up at her with a scared expression, yet curious expression.

"Y-Yes?" Lucy replied to her younger self.

"Why are you dressed like that?" The Young Lucy asked.

Lucy gulped. "I-I...was forced to wear this?"

Young Lucy cocked her head to the side. "Do you need anything?"

Lucy shook her head. "N-No. In fact I need to go. Have a great day!"

Lucy ran out of the guild in a frenzy, opting to find Erza.

Couple minutes later, Lucy found Erza...or moreover, Erza talking to her younger self who was walking away.

After young Erza was at a safe distance, Lucy ran into Erza and hugged her from behind, scaring the latter in the process.

"L-Lucy! Don't scare me like that." Erza said as she turned to hug Lucy back. "Did something happen?"

Lucy chuckled before pulling away. "No. But why were you talking to your younger self?"

"Y-you saw that?" Erza squeaked.

Lucy laughed and nodded. "I just waited until she was gone. So, tell me, what were you two talking about?"

Erza sighed. "I-I...well..."

"Hmm?" Lucy hummed.

"I was giving...my younger self...some advice about...on how to ask you out..." Erza trailed off.

Lucy blinked. "Wait...did you literally just talked to your younger self about how to ask someone out?"

Erza nodded. "I...I really wanted to be with you as soon as possible..."

Lucy sighed. "This is surprising."

"..."

Lucy smiled. "While I don't understand why you did it, we are still together, aren't we?"

Erza perked up, looking Lucy in the eyes. "I suppose you are right."

Lucy leaned in and gave her a quick peck on the lips. "Anyway. Have you figured out on how to get back?"

Erza looked away. "I...couldn't"

Lucy chuckled. "Let' see if I could figure something out." Lucy said as she walked to the book that laid on the ground. She scanned couple of pages, flipped some and scanned some more.

~Many seconds later that the narrator died and had to hire a new one~

Lucy closed the book in frustration. "I can't figure anything out!"

"What do we do then?" Erza said sitting next to Lucy.

Lucy sighed. "Dig a hole and die together?"

Erza laughed. "I don't mind the 'together' part. But not the 'die' part."

Lucy smiled and intertwined their hands together. "Yes. But I'm scared. I don't want to be stuck in the past forever."

Erza squeezed her hand reassuringly. "I'm sure we can figure something out."

"I love you." Lucy said as she laid her head on Erza's shoulder to rest.

Erza smiled. "And I love you more."

Couple seconds later, Erza turned and faced Lucy. "Hey."

Lucy looked up. "Yeah?"

Erza smiled before leaning in for a kiss. "I love you."

Lucy smiled back. "You already said that."

"I'm not allowed to say it 10,000 times a day?" Erza asked with a pout.

"N-No...it's just that one is enough." Lucy chuckled.

Erza smiled, wrapping her arms around Lucy to keep her close to her and leaned in for another kiss, but this time, longer and more heated.

Reluctantly, Erza pulled away to catch her breath and stared at the beauty before her. Lucy smiled and leaned on her.

"Sharing a kiss in the past. A kiss of the past. Sounds kinda cool..." Erza murmured.

"Might be good for one of my books." Lucy thought out loud.

Erza looked down. "I have been thinking about this...why won't you let me read any of your books?"

"I-I..." Lucy hesitated. "I promised Levy first."

"I understand. But I will be able to read them...can I?" Erza hoped to read on of her girlfriend's books.

"Of course."

Erza squealed and hugged Lucy tightly.

"But first, we need to go back to our world." Lucy added.

Erza was determined now. "Yes. We will go back to our world."

To our world