Third person

You and tanjiro was walking down a path when you to heard someone screaming....
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"Hey tanji-Kun do you hear-" you we're interrupting by a loud scream

"MARRY ME PLEASE MARRY ME I DON'T WANT TO DIE ALONE!!!!" the yellow head said

"-that..."you said with confusion.

(You and tanjiro just stare at the yellow head in disbelief and then a sparrow came over to you and tanjiro saying that he has been like this ever since the women came over to him.)

"Should we interfere" you asked

"I will, you stay here I don't want him to harass you to." he said
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Tanjiro's pov

"PLEASE!!! PLEASE PLEASE PLEASE MARRY ME!!!"the yellow head said again. "

"HEY why are you making a scene in the middle of the road, she's clearly not into you, also your stressing your sparrow out." I said

"Wait that uniform, aren't you that guy from final selection!!"

"Don't Go pretending like we know each other cause we don't,OKAY?!

"Huh wha, WE HAVE MET, YOU CAN'T GO OFF ON ME, WHEN YOUR THE ONE WITH HORRIBLE MEMORY!!!!" He said.

"All right miss, your all set you can head home now."tanjiro said

"Oh, thank you so so much"the women said

"HANG ON!!! HOW DARE YOU GET INTO MY BUSINESS!!! SHE WAS JUST ABOUT TO TAKE MY HAND IN MARRIAGE!!!"The yellow head said

"WHEN DID I EVEN SAY A THING ABOUT ME LOVING YOU, ALL I DID WAS COME UP TO YOU WHEN YOU WERE ON THE SIDE OF THE ROAD!!WHAT KIND OF MAN JUST RUNS UP TO SOMEONE AND SAY MARRY ME, YOU COMPLETE WEIRDO!!!!!"the women said.

WHAAAAA!!! SO WHAT YOUR TELLING ME IS... YOU DON'T ACTUALLY LOVE ME AND TRYING TO TAKE MY HAND IN MARRIAGE!!!!He said

considering I already have a fiance, that is what i was literally trying to tell you! I mean you seem perfectly fine now so good bye! The woman said

WAIT PLEASE DON'T GO.... please.

Would you give it a rest already...eesh. Tanjiro said

WH-WHY DID YOU EVEN GET INTO MY WAY, THIS HAD NOTHING TO DO WITH YOU!!!
WHY ARE YOU LOOKING AT ME LIKE THAT YOU ARE LOOKING AT ME LIKE I'M SOME PITIFUL CREATURE!!!
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Y/n pov

"Omg I can hear what their saying from over here...i want to go over there but I don't want to get involved with bullshit and get fucking harassed...you know what I will go over there but if that dumbass yellow head do something I will knock the fuck out of him!" you said

(You went over there to see tanjiro and the yellow head)

Oi tanji-kun are you okay.

HUH, YOU,PLEASE MAR-

Don't touch me you pathetic little piece of shit.... And why are you acting like this are you trying to get reported to the cops?you asked

NO I'M JUST TRYING TO GET MARRIED BEFORE I DIE PLEASE!!!!the yellow head said

Well, not gonna lie but your not getting married if you keep acting like this, plus that women you just Harrased, had a fiance, so calm down, I'm not planning on going to jail with you okay....

O-okay...

Okay my name is L/n Y/n and this kamado tanjiro.

Oh well my name is zenitsu agatuma please y/n, you and tanjiro gotta do what you can to protect me! Zenitsu
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After calming zenitsu down

Hey zenitsu can I give you a nickname? You asked

WHA!!! A NICKNAME JUST FOR ME AND FROM A GODDESS!!! Zenitsu said

"Yep one just for you!" you said

OFC!! TANJIRO DO YOU SEE THIS A GODDESS IS GOING TO GIVE ME A NICKNAME!!!! Zenitsu Yelled

Yes yes I see, she gives everyone a nickname and a unique one! He said

SO NOT ONLY AM I GETTING A NICKNAME FROM A GODDESS BUT IT'S ALSO GOING TO BE UNIQUE!!! He yelled

"Yep and I know just the perfect one!" You said

OH MY GOD, WHAT IS IT!!! he yelled

"It's Zeni-kun!" you said

OH MY GOD, I LOVE IT!!! Zenitsu said

Hahaha, glad you like it! You said

Huh, y/n I'm surprised that you can come up with these names right off the bat! Tanjiro said

Oh well most of the time I just cut half of the name the person already have and than just add -chan -San -kun. you said

"Hey are we all doing this mission together..." zenitsu asked

"Looked like it" you and tanjiro said in unison

"Oh okay..."zenitsu said

"Hey, you guys hungry, I have some food right here" you said

"Yeah...."zenitsu said

"Okay here Zeni-kun and here tanji-kun" you said.

(You gave them both rice balls.)

"Thanks y/n but aren't you going to eat?"tanjiro asked

"No I'm not really hungry I already ate mochi from my bag"you said

"Okay come on let's get there fast" tanjiro said..
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Taisho secret
*if zenitsu harassed y/n, Kokushibo would beat him up if they ever got a break.

*y/n think zenitsu is secretly strong but he doesn't know it himself.