The Last One Standing

This is a story of a young man who wants to avenge his father because when he was still a ten year old boy he saw how his father been killed in a tournament called "iron fist castell tournament" by a man whose name is Bryan Andersen, the son of Alex Andersen, the owner of one of the top company in their place the "double A company" and also the former king of iron fist of the castell tournament. So he decided to under go training secretly to participate in the next tournament and fulfill his plan which is to avenge his father's death but how he would be able to do that if he will meet the heiress of andersen that will make him different from what he used to be? would he still going to continue his purpose or will he be with the heiress and protect her from everyone who wants to kill her and really forget his revenge?