An Unexpected Guest In Other World

Chapter 1

(A/N: this is my first time writing a crossover story, I hope you enjoy! 😊❤🌷)
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Timeskip
5 days later

3rd POV

A certain silver-blue-haired 'teen' was wandering around the town called Jasper Nevada.

After he rented an apartment and change his clothes, he was now walking around and observes some people in the town.

After he'd observe the town he started look down while walking, thinking about what just happened.

'Why am I here? Come to think of it, why did that 'thing' ¹ just burst up and suddenly brought me here in the first place, for what purpose? Rimuru thought while frowning.

While he was deeply in thoughts, the people in the town were giving him a glance or stare to his figure not only his hair that stand-out but his golden eyes and his silver-blue eyelashes too with his pale skin.

Some people thought that the figure was out of a fairy tale, fantasy movie, or drama, while others thought that the figure was cosplaying or model for a fantasy character.

Although, Rimuru was unbothered by this thoughts to him, he was concentrated to his own thoughts and observe his surroundings.

Then he stop his tracks for awhile he look to his surroundings, suddenly Ciel report to Rimuru

[ 'Report: I've detected a signal from an unknown objects that gives off high thermal radiation on the deserted road away from this town entryway. It in the middle of a crater nearby. Would you like to investigate that place?' ]

Rimuru suddenly got curious about her report of what she meant by that "objects."

Then he suddenly look at his surroundings again, when its all clear he asked her

  ' Can you take us to that place? Ciel'
  [ 'Answer: Yes, I'll teleport us there. Master' ] she replied to him.

Then suddenly he disappeared and appeared In front of a giant black rock-like crystals.

RIMURU POV

I was fascinated by a giant black crystal in front of me, then Ciel says to me

[ 'Report: The black rock-like crystal in front of you was known as "Energon".
It was a fuel for the unknown species called a "cybertronian"]

' Eh??......what? HUH?!! What do you mean cybertronian. Is there another species in this world?!' I asked then she replied

[ ' No, they are from another planet called Cybertron. They are robotic organisms from Cybertron']

'Then what are they doing here on Earth?! And what are their motives?'

[ 'Answer: The cause of these are between 2 factions of a Cybertronian
called "Autobots" and "Decepticons".
They're both waging war of their constant beliefs with their leader.' ] she answered

I was about to ask her again when I heard from the distance, a car that drove to our locations I quickly form myself as the black rock or should I say "energon"

Then I saw above from the cliff, a red car  with horns in front of its hood. Then I saw an incoming spaceship, then the red car transform into a robot and heard him say "Decepticons". Suddenly the spaceship shoot the red robot and gets toss in the middle of the the crater.

???POV

'Ugh... that hurts' as I was standing up and turned back, more cons getting out from the ship and I call out to Arcee "Um...Arcee about that backup"

3rd POV

The red bot suddenly transform to his alt-mode and drive to the cons while Rimuru was observing the 2 sides

'Uhm......is this rather unfair, the red robot is alone while the other sides have a backup and a spaceship too.' Rimuru thought while watching them sidelines

[ 'Report: The red robot was an Autobot while the other sides are Deceptions.
Autobots are led by their name Optimus Prime they are defending the Earth and their allies from domination by another faction called Decepticon, it was led by Megatron' ] Ciel answered him

' I see...........those decepticons are rather far more greedy' He frowned while watching the red bot when he tossed back again.

Then Rimuru got out from his disguise and transformed to his human form with his mask on to hide his neutral face and then teleport in front of the red bot.

This cause the red bot and the cons caught off guard of why there's human in front of him, then the cons start to shoot them as the red bot rush to the 'human' to make himself a shield to protect the 'human'.

He close his optics and was about ready to accept the damage when suddenly nothing happen. As he open his optics, there he saw what looks like to be a barrier that prevented them from taking the firing shots of the cons and suddenly it disappears.

This cause the red bot and cons surprise and the red bot look at the human and started talk to him/her "Kid, what are you doing out here? This place is danger get out of here now" the red bot said to the figure

"What are you saying? Are these guys are the ones causing a trouble, then they are ones who should get out of here while I'm being nice" Rimuru answered back to him with the hint of angry tone as he spoke. The red bot was confused but he focused back to cons.

When the cons started to shooting them while the red bot was ready to shoot them back, then Rimuru raise his hand and says " Devour them all, «Azathoth» " suddenly black smoke coming out from his hand and all the firing shots that are about to hit them, it disappeared without a trace

They were baffled of what they just witness and the red bot just jaw dropped.

'WHAA— WHAT IN THE PRIMUS DID I JUST WITNESS?!!' He screamed to his thoughts while he was watching the figure hand where the black smoke comes out then suddenly goes back in and it disappears.

"Is that all of you got?" Rimuru ask while his tone with a hint of taunting.

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Woo-hoo I just finished the first chap
My brain is dead hahaha😅😅😅

Explanation:

[1] He refers to the light that charges towards at him

I hope you enjoy😁❤