the mysterious fangurl(izaya x reader x shizuo)

Don't forget to thank the person who saved you

disclaimer: durarara!! does not belong to me. i am just your average fangurl who makes fanfictions
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your POV:

A guy with short hair stood in front of us nervously, a scared expression plastered on his face as his body shook obviously. He was wearing a blue and white school uniform that looked fairly familiar......did I go to that school in the past?

"Oi, punk, what business ya got here?!?!"

The ring leader stopped closing the distance between us, and instead started heading towards that guy, the rest of his friends glaring at him as well.

'I-I, well, uh...."

It seemed as if all the confidence in his voice previously had vanished into thin air, and was replaced with fear.

"Huh?!?! Whadd'ya want, punk?!?!"

The ring leader continued taunting him, making him shrink back more and more.

"I-I, uh...."

Oh no, he looks really scared, and that guy looks really pissed, i gotta do something.....

"EXCUSE ME, POLICE!!! THEY'RE HERE!!!"

Before i could move, another voice had shouted into the conversation, though this time louder, and more intimidating.

"Tch."

The leader clicked his tongue, turning away from the trembling male and back to his companions. He gave me one last glare before speaking.

"Let's go, these brats ain't worth it."

The gang of thugs finally left, though the air was filled with sounds of annoyance and displeasure, all aimed at the guy and me. Noticing the group had left us alone, i shifted my gaze to the guy that had saved me, who was now heaving a big sigh of relief, all his nerve and tension leaving his body.

"Hey, thanks for your help."

I gave him a friendly smile, after all, he did save my life. He looked to me with a surprised expression, as if not expecting my gesture.

"A-ah, it's nothing, I'm just glad you're okay. I'm Ryuugamine Mikado. Nice to meet you."

He soon returned the smile, a small tint of red coating his cheeks.

He's really cute and kind, but.............

Where have i seen him before?