What happens when UA soft little cinnamon roll turns out to be a badass mafia leader. Todobakudeku ship {not complete}

The door was slammed open and a man came stumbling in to the gym. Silences echoed in the room when everyone stopped what they were doing to look at the man standing in the doorway. Suga noticed the pail face and started to worry. Something was wrong. Extremely wrong. Did someone hurt themselves? Did someone's family members end up in an accident? Did someone lose their grandparent? What could make Takeda go all pail like that? What was going on? Daichi motion everyone to gather around. All eyes were on Takeda with worrying expressions. "Is everything okay Takeda?" Suga asked voicing everyone's thoughts. Takeda open his mouth to speak but no voice came out. His hands started to shake along with his lips. The silence was unbearable. There was a heaviness floating around that Suga didn't like. With a deep breath Takeda opened his mouth and spoke three words no one could ever imagine he would ever speak out loud.

Naruto was diagnosed with a rare disease that was slowly killing him but he told no one because... Because he didn't want to burden anyone with his silly problems. No one cares anyways. He is just some stupid deadlast that everyone hates, that's what he thinks. So after all that's said, how does our drop dead gorgeous Uchiha Itachi, brother of Sasuke, fit into the picture?