A extra in my hero academia

Is transmigration possible?
It's something debated on heavily in the anime & manga community, in a fictional world yes, it is possible but in reality, there isn't proof it could happen.

Flux WaveCrest is someone who got transmigrated into the world of MHA also known as My Hero Academia, after finishing the latest season of the anime series. He awoke as an extra character not mentioned or shown throughout the series.

Shocked and initially puzzled watch as he grapples with fate and his new identity as an extra using every and anything from his knowledge of plots in the future to his benefit. But fate has other plans and decisions for his life, as he meets with important people who would become either a villain or hero.

Would he be changing their life, or his existence unintentionally?

A domino effect started to take action branching off and deviating from his knowledge of the future. Was he worried? yes! but not because he cared for the plot or anything, it's the unknown that has him cautious.
But that caution was soon thrown to the wind, given time he could grow into making himself strong enough to handle his worries.

This is his story, the story of Flux Wavecrest, it showcases how Flux becomes more than an extra and carves his name into history years to come.