Katekyo Hitman Reborn!

The Truth About the Future (7x21)

Air date: Mar 06, 2010

As Irie recovers from his injuries, he explains to Tsuna and the others about why is he obsessed with Byakuran. Using Ten-Year-Bazooka ammo he had received from Lambo's family 11 years ago, Irie went to the future and ran into Byakuran.