Tsuna wins the Sky Battle and secures the Vongola succession at last. He responds by passing out, though he manages to revive in time to join his friends in a celebration of the victory. But just when things appear to be returning to normal, Reborn gets into a fight with Lambo. Lambo tries to shoot himself with his Ten-Year Bazooka and hits Reborn instead. What happens next launches Tsuna into his most bizarre adventure yet!