The girl that he love die right in front of him and he could not do anything because to scare and end up lose 1 leg and a person that he love
He plan to take his revenge on the person that took her lover life.
Everysingle day is his traning day, he traning for day by day and year to year until 5 year pass.
From the weak looking man and now he look like Super buff like a charcter from Jojo anime.