From a young age, Sawada Tsunayoshi was very observant. Maybe that's why he's so wary of his new neighbors. Though, they aren't exactly secretive about being the strongest Villains in the world.

Verde created a machine exclusive for the Arcobaleno(Including Tsuna Bermuda) that makes it easier to converse using letters. Each of them had quickly made it routine to send at least one letter a day. These will basically be small snippets of Arco27 and ArcoArco set in a certain AU. They don't go in any specific order either. It will also be major fluff. Just a lot of fluff.

Tsuna is said to be a saint and anyone in the family would agree, especially the Arcobaleno. The thing is, they take it to a whole new level and Tsuna doesn't mind at all. To know how this all came to be let's go back in time to 21-year-old Tsuna and his meeting with Reborn. (Mature rating to be safe) Mentions of death and gore Yandere Arcobaleno Implied Yandere Tsuna later

First, Nana walks in on her son crying and screaming from the memories of the future. Second, she has known about the mafia. Finally, she also knows Kawahira. She isn't playing the oblivious mother anymore. Now she is a mother in which you mess with her child, you will pay.