In the universe where Federico survives, Byakuran is still a problem ten years later. This time, it’s someone else who dies to send Tsuna and Xanxus against the Millefiore. Drama with Angst, I-4

Sunlight fell gracefully through stained glass and into the open coffin.

Fedele had known it was going to be hard. It couldn’t be any other way when the Vongola’s Boss had been killed—not killed, the back of his mind whispered, clinging to that but he couldn’t let it show or it would all go for nothing—killed by an ambush no one had seen coming. He had forbidden anyone to tell Federico’s wife or son, saying it was for their own safety in hiding, which was true enough. But the fury and pain in the eyes of the other Guardians, the stripped, blank looks on the faces of the two kneeling by Federico’s coffin, sliced his heart like a knife.