Kimetsu Cafe Muichiro x Reader

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It's been days after the time where Rui brought his venomous spider out and everyone chatted each other on the phone after.

Kai, who was Miyuka's best friend as well joined in and said he ate a cigar butt.

I thought he was joking, but after what happened that day I pretty much now believe him.

A few days earlier~

"So you must be Kai," I said, seeing a 5'5" boy with brown latte like messy hair with beautiful brown eyes.
He looked young with that baggy shirt and trousers.
Muichiro was behind me, and I could feel the death glare that's burning through my head.

"Yep," he nodded, trying to shake my hand but Muichiro slapped him. "Don't touch her." Muichiro said with a death glare.

So overprotective these days.. I sigh mentally.

It was just me and Muichiro that were with Kai because Selena.. is having stitches going through her fists and Suki wouldn't leave Rui alone.

And Aishte is trying to make her mother and aunty change their minds about the marriage.

Koyuki and Hakuji are with Nezuko and Tanjiro because they wanted me and Muichiro have some "alone time".

"So, do you have job?" I ask Kai, kicking a pebble. "I guess, I work at an engineer station.." he drawled.
Muichiro moved in between us. "Well, news for you, give Y/n space."

I heated up a little. Way too overprotected. Why is he acting like this..?

Kai nodded nervously. Muichiro went back to the emotionless face he pulls off every time.

~

Walking to the engineering station that Kai worked at was pretty boring. Then, to break silence, I asked Kai a question.
"Kai is it true that you ate a cigar butt?" I asked. He flinched at the sudden question after a long time of silence. "Yeah," he said, rubbing the back of his neck. "I did, really. I was forced to, though."

"What why?" I asked, as Mui grabbed my hand, intertwining it with his. It made me heat up, but since Kai looked like he didn't give a care I blushed.

"Well, Y/n I was late for work and that meant I had to do a late shift," he began, scratching his head. "But one of the co-workers had a cigar butt so the only way I could do a shift until 10 pm was to eat the cigar butt. I tried to refuse but they shoved it into my mouth."

"Serves you right," Mui mumbled. I nudged his shoulder.
Kai looked rather embarrassed than proud to say he ate a cigar butt. But I'm my opinion, that's damn awesome. And disgusting at the same time.

Kai also said he gets problems where he sometimes pukes and gets head aches so I'll be on the lookout for that.

Kai is a nice person, actually. He is super kind and has such politeness.
He has good empathy and takes the time to listen.

But I could sense Muichiro doesn't like this guy. Not one bit.

Muichiro POV
I don't like this guy, I HATE THIS GUY!!!

He's too nice to Y/n he's acting a little sus!

What's this feeling though? Is this why Tengen wanted me to ask Y/n out? Is this the feeling that Mitsuri told me about? Is this what you call..

Jealousy??

Y/N giggled when Kai told her something funny, or I assumed he did since she laughed.
I swear to the hee hee man I'll kill him if he messes with her.
Y/n then nudged my shoulder.
"You okay, Mui?" She asked with a smile. One I haven't seen since yesterday which I really missed.

Her smile is so cute...

I smiled back. "I'm okay, don't worry!" I said, giving her a peck on the cheek.
She blushed rapidly. 
"You guys dating?" Kai asked. Y/n hesitated but before she could even say a word I did.
"Yeah, we're dating." I answered nonchalantly.

His eyes widened. "Oh, I could tell." He sighed, half-lidded his eyes. "You guys are so cute together."
Y/n blushed even more, and she used her other free hand to cover it.

I snorted at the site.
You are the most beautiful person I've ever met......

After a while, we arrived at Kai's engineering station.
It was huge!

"Welcome to..."

"Enjiniaringu, the number one Engineering station!"