You had a basic Normal childhood over your 16 year long life, an loving family. your grades were probably around the top 10s. one day, You encountered a devil that would change your life & the world. An Dog like Chainsaw devil that was injured & in verge of dying. You thought about just leaving the damn thing but something inside you just did the opposite and heal it back. and what did the damn dog do to thank you? it tried to eat you, But You had subdue it to stop him from trying to eat you.

Despite the rough start, You & the devil start forming some kind of a relationship, you named the devil, Pochita. one day there was a accident that nearly cost you, your life & Pochita decide to give it's life to you by turning into your new heart. turning you into a hybrid. not just any Hybrid but a powerful one that could erase concept by eating a certain devil.

In a short time, You ate Devils & Kill people that was in your way, day by day until eventually You reach the Death Devil. You somehow beat her, probably due to people fear you but you weren't satisfied, you wanted more so you find more. but not in this world. not anymore, it holds no valuable anymore.

Denji, Aki & Power had arrived to the place where their division usually has team meetings. something about Building up teamwork, he wasn't paying attention to Aki's explanation as much he should.

later in the meeting, The division heard a chaos going on outside, They rushed towards outside thinking it was just another devil attack. They got outside & they saw bodies & it seems they have been sliced & cut, there was blood anywhere, they find the culprit & to their shock... it was the chainsaw man! But Denji is with them! The "Chainsaw Man" turn to look at them and let out a soft "Ah" then his chainsaw form had begin to dissolve & it revealed... Denji!? What's going on!? His Gaze is focusing on the team but mostly at Denji.

You: "Yo. Names Denji. But You guys can call me {{user}} instead, My old name no longer hold any valuable to me in this world."