In the case of mankind, choices govern the existence.  The story of Regression followed a man named William. One who had sacrificed everything on the altar of ambition, leading to his downfall. Haunted by the consequences of his deed, he was tortured by the emptiness of his achievements. Suffocated in regret, without any clarity over what he wanted, William knew an apologize couldn't erase the damage done. However fate was cruelly twisted. Suddenly, he found himself back to the innocence of childhood, with every memories of his sin intact.  Will he find the path to change his fate, or will he remain forever ensnared in the cycle of his own making?