Xanxus takes the power struggle between him and Tsuna to a different level, but it doesn't work out the way either of them expects it to.

101 ways to fix Xanxus. This series contains Alternate Histories all of which experiment with what changes might have led to Xanxus being only a little broken instead of totally insane.

In which Yamamoto has cause to go undercover with Bianchi and discovers something about himself.

This is a dark Alternate History arc that follows what might happen if Mukuro had decided to make Xanxus his tool of conquest instead of Tsuna.