Blood-Stained Retrograde of the Mountain

A young man who only wants to be a good person has to go to various dojos for various reasons. What is the reason for this? When he was entangled between loving and being loved, who did he choose? Why did he want to rob his godfather's gang? How did the heroine leave him in the end? The reason for all this is that he went retrograde This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.