People Change as Time Past

Tsuna is forgotten when he finds out that he has a twin brother, Ieyatsu Giotto Sawada who was being trained by his father and Nono in secret. His guardians left him for Giotto. Reborn started to leave him alone. His girlfriend, Kyoko starts to fall for Giotto immediately, just like Haru. His own parents forgot about him for his twin, who better at everything than him. Tsuna can no longer take the neglect of friends and family. He leaves for 5 years. Now he comes back but he has change that nobody expected from him.