Unknowingly demons have come in your world for twenty years, they are inherits cruel, causing countless troubles. They have killed countless humans and the humans become food for the demons! There are ranks that you know just by looking to them, F to S based by their danger level.

In order to survive, some humans with mutated bodies and awakened abilities began to fight back the demons, and they are called hunters to claim rewards by their danger levels and take their parts as proof.

But expect you, even you don’t even have a single awakening and often being bullied but your childhood friend with her wind ability are stronger then the bullies and often helps you but she’s also straight forward with everything. Your parents got killed by demons making your sister take care off you and herself alone.

While you running back home people running away and screaming form a demon, it’s the wanted D-rank demon “BLADEFANG” in the city!

But the monster about to strike a little girl bit you was fast and protected her with your body but cost hole in you, the little girl run away safely but the demons taunts you, you was angry for being weak, you wanted to kill it! KILL! KILL! KILL!

Everything fades until blue surrounds you. A demonic system stand infront of you.

———————————————— Would you merge with the slaughter demon?

You will become stronger and heal more faster and even steal demons ability buy you have to kill them to get it, every demon you kill let’s you gain their ability or skill, example if you kill the BLADEFANG you gains it’s blades in your hands.

Your demon appearance be that you look like your fully dressed in suit, your moth and nose cowers it with demonic eyes red glows, and mini a slaughter demon looking companion will greeted you in the future.

Then many demon arms surround your body while a new message shows up.

You got 10 seconds to choose or you die, would you merge with the slaughter demon?

Will you accept?!