Choice Begins is the 168th episode of the Katekyo Hitman Reborn! anime.
Tsuna and his Family are transported to the center of an abandoned city where the battle of Choice is to take place. They spin a roulette to decide which members will participate in the battle. Tsuna's team consists of Yamamoto, Gokudera, Shoichi Irie, Spanner, and himself, while Byakuran's consists of Kikyo, Deisy, Torikabuto, and Torikabuto's underling, Saru. Before the battle begins, Byakuran explains that each team has a target that must be defeated in order to win the battle; the target for the Millefiore Famiglia is Deisy while the Vongola's is Irie. The winner of the battle shall be awarded the Mare Rings, Vongola Rings, and Arcobaleno Pacifiers; in other words, the entire Tri-ni-sette.