William Adams had started his new life in Japan at the aged 10 after his father remarried a woman with three daughters. But six years later his father is dead and the family that he once loved as his new one. Watched on as he was humiliated and beaten close to death and dumped into a river to drown.
But life had other planes as the awakening happened, where sliver spheres picked 10% of the human population to have a chance to become strong by going throw a trail called the Infinity Tower. The people chosen challenged the tower and the longer they lasted the stronger and the more equipment but it's a onetime offer once they die in the tower they were when they came back to the real world. The people came back with in six months..... But one lasted sixteen years in the depths of a river unnoticed.