Yay, I am the first one to respond this time.
Want to thank you for doing such fairly long short story.
A moving story. It seems the story was by somebody and thus the thank you remark at the beginning?
There is one small flaw in the story, in my opinion. Tetsu should try to kill the mafia boss after he killed the assasin. With a gun and the factor of surprise, he may very well succeed. Since the arrest of the boss was not really assured, the boss could have hired another one to finish the job if the moss was still around. He shouldn't have to worry about revenge happening to his relatives as it seems he doesn't have any left in hometown.