Fade to black -Asano Keigo Bleach Fanfiction

Summary:
Have you ever noticed that when someone returns from the brink of death, they don't return as the same person, there will be drastic changes in them? Changes that either completely destroy them or builds them from the scratch. But one thing is for sure nothing will remain the same for them, those are the ones touched by death herself. Sometimes those people do not simply return alone to the land of the living, in instances where the person is filled with immense negative feelings like depression, helplessness, sadness, or rage, feelings which they have not or couldn't express throughout their life stored within them attract far more sinister and darker beings, but rarely do these beings escape their confinement to interact with normal people. What happens when a boy with a hidden past unknown to himself who has suffered throughout his life and has been a failure in everything he has ever done because of the consequences of certain events related directly to his past and branded as a goofy loser for his not so comic acts by his peers, who has hidden his real self behind that facade in front of everyone except his family and close friends finds himself in the presence of death due to a disastrous accident gains an ability which was sought by many beings throughout the history for centuries in addition to his latent abilities being awoken because of the said spirits trying to possess him. How will this change him and what role will he play in the supernatural events happening in his town. Will he help certain someone from his past in achieving their goal or will he stop him along with others or will he follow his own path to glory?