The Otaku Emperor

As he flew in the air, he summoned Clara who carried him and kept the Iron Man suit. That was just for show at Blue Pegasus. Clara was so much faster.

Clara hugged him and they flew at super speed, arriving above the skies of Magnolia in less than 10 seconds. 

"It's been days since you've summoned us. Aren't you going to use us here?" Clara asked. 

"You guys are my secret forces. I'll call you when needed" he answered. 

Clara pouted but obeyed and secretly landed on the Cube. 

Then he unsummoned Clara and tore his way into the Cube with his own super strength. 

Minutes later, he walked into the dungeon to see Natsu and Lisanna tied up and naked. 

"Emperor! What are you doing here?" Natsu said. 

"Rescuing you of course" Emperor said, ripping open the jail bars easily and then freeing them. 

"You... your strength.." Natsu said, shocked at how strong Emperor was. 

"I have problems controlling my strength in battle, which is why I prefer to use my other silly abilities." Emperor explained. 

"You mean like Gildarts?" Natsu asked. 

"Who is Gildarts?" Emperor asked, pretending not to know. 

"You'll see one day...." Natsu laughed, imagining Gildarts fighting Emperor. What a show that would be!

"Alright, lets split up. I actually traced Minerva to this Cube thing. So I'll be going that direction" Emperor said. 

"I'm all fired up!" yelled Natsu as he left in another direction with Lisanna. 

Several minutes later, Emperor bust into another room where Erza was tied up naked and tortured. 

With one punch, the strange frog like creature electrocuting Erza was smashed to bits and Emperor freed Erza from her bindings. 

"Thank you Emperor. Your punch...." she asked. 

"It's my uncontrolled punch. It's too powerful that I can't use it in spars" Emperor admitted. Erza looked at him incredulously. He's more powerful than she thought. 

"Anyway, get dressed. I've just freed Natsu and Lisanna and now I'm on Minerva's trail" he said. Erza nodded and requiped her Hakama outfit. 

"Good hunting" Emperor said and disappeared. Erza was shocked at how fast he moved that she couldn't even see which direction he went. 

Before long, Emperor ended up in Hells Core, where Mirajane and Minerva were naked in a machine and were being transformed into demons and they were reviving Jackal and Tempester.

"Heh... technology" Emperor laughed as he summoned his spider robots. They infiltrated all the controls, completely taking over everything that was happening in the core. 

Minerva was un-demonized and released first. Emperor used Human Subordination magic on her then un-summoned her naked body. 

"One down... now what to do with Mirajane?" he thought. Should he make her another summoned being? But that would probably ruin his chances here in Earth Land in this dimension.

He already took risks with Jenny Realight and Sherry Blendy, but they're not from Fairy Tail, so he took liberties. 

Instead, he freed Mirajane. As she regained consciousness, she looked at Emperor who was carrying her naked body. 

"Emperor?" she asked. 

"Yes. I'm here to rescue you" he said.

"Thank you" she said, 

He put her down as she wanted to stand by herself. Then regrouping, she used her Satan Soul magic to transform into a demonic being. 

"Alright. Now we bring Tartaros down" Emperor said as he snapped his fingers. The whole core started shaking as explosions started at the regeneration chambers, killing Jackal and Tempester again and spreading outwards. 

Emperor knew battles would be taking place everywhere and that Fairy Tail will eventually win, so he took his time looking around and helping only when necessary. 

Suddenly, he received a telepathic message from Mard Geer, who introduced himself, and degraded everyone before casting Alegria which turns the Cube into the monster Plutogrim and releasing traps that trapped everyone inside the Cube.

Somehow only Lucy escaped, as well as Emperor who easily tore himself out of it. He got out and stood on the top of the Cube which was now Plutogrim. 

He knew at this point of the story, Lucy would be facing Jackal. But he had already killed Jackal for good, but Lucy still had to fight Torafuzar. Emperor knew at this point, Lucy would have to sacrifice one of her Celestial Keys to summon the Celestial Spirit King. 

He summoned the four Hypertopians Clara, Athena, Artemis and Zenovia and turned them into sex dolls. The reason he did that is so that nobody will know that he has been using Human Subordination Magic.

Everyone knew he creates sex dolls as one of his "silly" magic, and the doll retains the powers of their original person anyway. In fact, for the most part, his dolls became indestructible, if they were not already indestructible anyway. 

The 4 Hypertopians flew apart in four directions and then turned back, smashing into Plutogrim with super speed. Every time they did this, they rescued a Fairy Tail member and brought them outside onto the ground. 

Every single member was brought to the ground and stood together, including Lucy as they looked at each other, puzzled. 

"What was that?" Natsu asked

"I think it was one of Emperor's naked dolls" Lucy said. 

"Look up there!" Mirajane said, pointing in the air

They saw Emperor at the top of Plutogrim, standing majestically as his 4 Hypertopians landed right next to him. Emperor kissed his right hand and gave Plutogrim one "Super Serious Punch"

*BOOOOOM*

A shockwave spread through Plutogrim, destroying wall after wall, area after area within the monster as it fell from the sky. 

*BOOOOOM* came another sound as the dead monster crashed into the ground. 

Everyone inside the monster vomited blood as the shockwave passed through their bodies. Luckily all Fairy Tail members had already been evacuated. 

"Those that are still able, eliminate all  survivors. The rest, recuperate your wounds" Erza shouted as she charged in with Natsu, Gray, Gajeel and Mirajane. 

Emperor retreated and let the rest of the story take place as its supposed to. 

He watched from afar as the dragons appeared and destroyed the Face bombs, and Igneel was mortally wounded by Acnologia but causing Acnologia to flee because of his injuries. 

One week later, Makarov suddenly announced that it was the end of an era and that he was disbanding Fairy Tail. 

Lucy arrived back at her apartment, finding Natsu's letter that he would be leaving for one year to become stronger. She broke down crying, as this was a double bow for her, together with the disbanding of Fairy Tail. 

Just then, Emperor walked in to see Lucy on the floor in tears. 

"Emperor.... where have you been?" she asked as she jumped into his arms and kissed him.

"I... I had to recover from the battle with the Cube monster" he lied. Everyone knew he took the monster Plutogrim down, but they all didn't know how he did it, nor did they know what happened to him after that. 

"Make love to me" Lucy cried as she peeled off Emperor's clothes. 

Emperor didn't need any more encouragement than that as he simultaneously removed her clothes....