Reincarnated in another world

Prologe

My name is Zach in going to tell you how i became a god and my adventures after i turned to a god.
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Zach's POV
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*Clock rings*
I get out of the bed and go to the bathroom to take a bath
I put on my uniform then runs to the Dining room to eat breakfast

""Good morning Zach"" (mom and dad)

"Good morning "

*After he are and put on his shoes*

"Bye" (Zach)

"Do your best at school okay?" (mom)

"Okay mom" (Zach)

I was going to go to school the way I normally go but today I was interrupted.

"Give me all of your money"(??)

"No way!"(??)

I saw a person younger than me getting cornered and a thug looking person holding a knife threatening her into giving all of her money and he looks pissed. So i ran as fast as I could to stop him from stabbing her.

"Huh, what do you wa-"

I was able to punch him the face before he could relax and he looked a bit hurt. Then he got even more pissed.

"You f***ing brat!"(Thug)

"F*** YOU!" (Zach)

Then he tried to stab me luckily I dodged the attack so I punched him again

"Ugh!"(Thug)

but this time i hit him in the torso and he looks even more hurt than before. Then he attacked me again but i was not able to dodge it in time and got stabbed.

"Gah!"(Zach)

I tried to get the knife out even though it was super painful and I stabbed him, I was able to hit him in a vital spot and which caused him to lose a lot of blood same as me but I already knew it was the end of me. At least i was able to save someone from dying.

"Mister!"(Young girl)

The girl runs to me and calls the ambulance.

"Y-you..do not need.. to...do t-that..im about to... die anyway"(Zach)

"No! the ambulance may be able to get here in time and save you!"

"Good bye... miss"(Zach)

"Mister! no you cant die! not yet mr please!"(Young girl)

As my vision slowly blurred and darkness consumed me i saw the girl was crying and at that moment my life was ending. I feel a bright light envelope me and as the light disappeared I see an Old guy wearing a white robe.

"Is this heaven?"(Zach)

"No it is not"(Old man)

"Then what is this place?"(Zach)

"This the realm of gods I called your soul to this realm because you were able to sacrifice your life for a person who has still many years to live" (Old man)

"So what will happen with me then?" (Zach)

"You will live a new life in another world different from yours" (Old man)

"What..." (Zach)