How I Became The Strongest Demon Lord

Prologue

Wait...

It's so dark.

Is this my voice?

I can't feel my body. What was I doing before I ended up here?

<< Mysterious Figure >>

Hello! Welcome to LAD or Life-After-Death! Unfortunately due to some events you have been cast aside as a Human and have now been given the chance to reincarnate as the world 1st chosen hero!

<< Kazuma >>

Huh so I died. WAIT I DIED??? WHAT HAPPENED?

<< Mysterious Figure >>

Oh you seem to not remember. Oh yes before I forget, Hello my name is Elizabeth Yato Nice To meet You!

<< Kazuma >>

Yea Yea nag I just wanna know how I died really.

<< Elizabeth >>

NAG??? Watch your tone mortal. I am a guardian that guides souls to the next world and helps adventures find their way in the next world.

<< Kazuma >>

If I'm the first adventurer how would you do all that in one sitting?

<< Elizabeth >>

Uhm.. Besides that, what is it that you truly desire young master?

Elizabeth presents a couple of items that the hero could that he could use on his long adventure but, another Mysterious Person comes from behind Elizabeth

<< Yuno >>

Hello Young Traveler I am the younger brother of Elizabeth nice to meet ya! What my sister failed to explain to you is that you could also choose the ultimate secret power!

<< Kazuma >>

The Ultimate Power huh? I would take what the brat is offering

<< Elizabeth >>

Damnit Yuno! Well, we can't ignore the needs of our Adventure well uhm well here you go...

Kazuma Awakens with a new feeling of life in a world he has never seen before an old timey world with the kingdom in sight and with feeling of power he proclaims he will be the strongest in the land whilst everyone nearby looks at him like he has gone mad.
Then the problem arises the goddess Elizabeth is with him!

<< Kazuma >>

Oh what the hell!
--- END ---

Editor's Note:
This is an optional read but this is the character descriptions for more context once again optional

<< Kazuma >>
Age: 16 ( Hey I'm totally legal!)
Likes/Dislikes: His favorite food is curry and he absolutely hates people that talk too much and he also hates cats. He really likes to be cocky but he is extremely smart getting into multiple universities in Japan as his grades were leagues above anyone else. He hates blood the most out of everything in the world.
Features: Brown hair that's a little short he is 5 foot 11 and he is a skinny young male with light blue eyes that matches the cleanest lake. he originally wears a grey suit but, after being reincarnated he trades his outfit for a black cape and a brown peasant outfit (He doesn't know this)

<< Elizabeth >>
Age: Over 1000
Likes/Dislikes: She likes everything that surrounds the earth that gives it life and color but dislikes dark magic as it makes her feel sick
Features: Has golden hair with pink lips. Wears a D Cup and usually has problems finding clothes as she usually wears goddess wear which are all white and down on earth they usually favor women who wear blue. She is 5 foot 7 and specializes in water elemental magic and supports magic but she isn't very good at it.

<< Yuno >>
Age: 800 Years Old
Likes/Dislikes: No Comment ( He doesn't really open up unless its to his sister making him secretive)
Features: He has medium blue hair with large wings ( Bigger than his sisters) and he is the guardian of time. He is the strongest being in the afterlife soon to take the throne. He is 5 foot 10 and he usually doesn't open his eyes.
This is my first attempt at a novel. I hope you guys like it!