The world of demon slayer

Yo since there were no suggestions his first breathing will be water anyways seeya

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"Damnit my head hurts" Haru says (mcs name) as he gets up and realizes he's in a forest

"Whatever toaster fetish" Haru called out as a blue screen appears in front of him

"Yes master"

"Where am I"

"Mt.Sagiri" ( only Haru can hear the system)

"Isn't that where tanjiro learned water breathing?"

"Yes" (I think so)

"Nice but what timeline am I in"

"You will soon figure out but for now you should try to seek shelter from the night"

"Yeah your right don't wanna die yet"

And so Haru set off and found a small shack where he would ask to stay the night

"Hey there could I stay the night" Haru would ask whilst knocking

A man then comes up and opens the door "sure" a man with a Tengu mask says as Haru walks in and sees a certain boy

"Hey are you sakonji urodaki?" Haru asks as he looks at the man with a tongue mask

"You know me" urodaki questioned as Haru nodded

"Yeah actually I came here to learn water breathing from you" Haru asked surprising urodaki

"Did giyuu send you here" urodaki asked

"No I heard legends so I thought why not and you turned out to be real" said a smiling Haru "also who is this boy and girl" Haru questioned

"Alright I'll teach you and that's tanjiro and his sister nezuko you'll be learning with tanjiro" urodaki said "now go to sleep you'll start training tomorrow" urodaki said as he cut out the lights

3 hours later when everyone was asleep

"So system what all can you do" Haru asked as the system appeared

"Well master I can track your progress by percentage give you tips and I even have a shop but you need to be level 5 to access that" the system said

"Oh and what do I need for level 5" Haru asked curious

"You will be level 5 by the time you finish final selection" the system said "oh yeah and I have a quest system which you can access by saying quest your current quest and you can track your progress and abilities by saying abilities" the system added

"Ohhhh that's so cool I already love you system so do I like get skill points or does that require training" Haru asked

"There are no skill points" the system replied

"Alright alright well let's see my abilities" Haru says as a system pops up

STRENGTH: 35

AGILITY: 45

BREATHING: 15

VITALITY: 20

SKILLS

nothing

ABILITIES

CLAN BOOST (strength +20, agility +15, breathing +15)

Eidetic memory

Unlimited potential

Prodigy (learning speed increased by 40%)

Slayer mark (when manifested 8x strength, 10x agility)

Perfect liar (most lies will be believed)

Superior senses

"Woah that's awesome and what's that that says slayer mark there's no way" Haru says as he goes to a mirror and dosent see the mark " what the heck where is it" Haru asked confused "and why do I look so hot" Haru asked confused as he checked himself out https://i.pinimg.com/736x/5c/6d/cd/5c6dcd0aec690fe66830b48da03e49f5.jpg that's what he looks like except he dosent have the kimono, katana, demon slayer corps outfit or the earring yet

"Master have you tried looking at your hand" the system says as Haru looks down at his hand

"What the heck a karma seal from boruto" Haru said almost breaking a whisper

"Yes it will spread all across your body when you activate the slayer mark" the system said

"Nice that's good to know" Haru said

Hey guys I know this was short and other chapters will also be short next chapter will be his water breathing training also I know this sucks balls and it's dog shit I'm only making this so I can come back and laugh at myself later on