Disclaimer: Of course I don't own KHR! Why do you think this is called FanFiction... '-_- Please read, enjoy, and review. It is my motivator.
Tsunayoshi Sawada had always been called Dame-Tsuna since he was a child. He was always picked on and disregarded by his peers and his younger twin brother. Yes. His brother, Ieyaku Sawada. Ieyaku was pretty much the opposite of Tsuna; he was tall, athletic, charismatic, and seemed like the perfect son...
You'd be wrong. The dark-blonde Sawada had always abused his twin. Whenever he needed a stress outlet, he would go to Tsuna and beat the smaller boy. Tsuna had tried many times before to ask his brother why he hated him so much and all he received was a beating and the most hurtful words from someone of your own blood;
"You are really pathetic, Dame-Tsuna. I'm ashamed to even be related to someone as useless as you. You are not needed here. Mom loves me more than she does you and so does Dad. Why don't you go and die. No one will miss you."
Since that day, the brunette stopped talking and has become mute. He was bullied even more for not giving any audible responses and the teachers– especially Nezu Dohachiro –kept picking on his him in class to answer a question knowing he won't respond.
When Reborn came to train Ieyaku, due to Iemitsu's decision of the younger twin being the better candidate for Vongola Decimo, he was furious to know that the reason why Tsuna was the way he was was because of his arrogant and malevolent brother. He told Nono that Ieyaku was not fit to be the next Vongola, but the old man just told the Sun Arcobaleno to train the boy to be worthy of being the Vongola Decimo. Reborn agreed but he decided to have another of the Arcobaleno teach Tsuna since he would be a target of assassination for being related to the Tenth Vongola. Fon was the chosen teacher.
Now, we are on the day before the Sawada's and the other occupants (Fuuta, Lambo, I-pin, Bianchi, and Reborn) notices a drastic change in Tsunayoshi.
The day where they meet her.