In which Tsuna isn't Tsuna but Tsunako, and lived with her parents in Italy for a few years before circumstances made moving to Namimori seem advisable. And changes spiral out from there. For the prompt Xanxus/Tsuna - genderswap; "don't look down on me because I'm a woman."

Hibari Kyouya travels in time and takes over the world.

The children of the Sea have always chased after the horizon with a fire in their hearts that drove them ever forward to reach the place were the sky kisses the water. Not even death can stop the Will of D from echoing across the world. Sawada Tsunayoshi is the responsible older brother to three wild and mischievous little brothers. Tsuna loves them and they love him back. Now if only the world around them would stop catching fire so easily all the time, that would be fantastic. (The Will of D joins with the Flames of Sky in a Harmony that will bring forth the storm of change.)