Becoming a Gen Z Mafia Boss- A Modern KHR Rewrite

It was just supposed to be a normal day for Tsuna. That's all he wanted, a normal, quiet day. But of course that won't ever happen. Today some guy in a suit and fedora showed up claiming to be a tutor sent to turn him into a 10th generation mafia boss. He also claimed to be the world's greatest hitman! Full desc can be found in first chapter. Ran out of characters T T