The Inconceivable Flame: A Fallen Angel's Disguise - Chapter 2 A Blunder

Akira Kisaragi traverses into the Bleach world, unlocking a check-in system.He initially thought that by checking in daily, he could become stronger, soon become the Captain-Commander, join Division Zero, punch Yhwach, kick the Soul King, and marry Unohana...However, the system's style wasn't quite what he had imagined.〈 Check-in complete, obtained Genryūsai Yamamoto's secret roasted sweet potato! 〉〈 Check-in complete, obtained exclusive attribute: King of Normal Attacks, effect... 〉〈 Check-in complete, obtained Retsu Unohana's... 〉Akira's eyes suddenly lit up!“Seems like this might not be so bad after all!”

One day, I was summoned to this world.

Leon is an average high school student who likes to watch anime and read novels.
He's about to cross the street, only to be greeted by a truck and died.
But, he got reincarnated as Uchiha yet dead again because Itachi killed him.
Leon got reincarnated again as the grandson of the recovery girl.
He got kidnaped and tortured by All For One.
After his third death, he got reincarnated as a son of Bibi Dong.
In this fourth life, he wants to change his fate to become the strongest.

Note: Please read the tag before reading.
- English is not my first language, so there would be grammatical mistakes in this story.
- Please give my story a proper review.
- I accept a suggestion, but no spam!

Chen Feng, of modern earth, had suffered bad luck since birth. After finding the legendary “lucky artifact,” his bad luck peaked and he became the only person killed in an earthquake. By a twist of fate, he found himself transmigrated into a different and magical world! A world much larger than earth. A world only partially explored due to the dangers within. A world where human civilization centered around genes. In this world, human beings possessed all sorts of abilities due to genetic fusion. Some went on to create world-changing technologies with their mysterious genetic abilities, while others went on to become undefeated genetic warriors with their combat genetic abilities. How will Chen Feng fare in this new world?