Reborn!, Box Weapon Prototype

Tsuna needs to pass the Arcobaleno Trials to obtain the seven seals needed to open the Vongola Box.

Irie sends Tsuna and his friends to the past; the Irie Shoichi of the past receives a letter.

Tsuna's class receives two transfer students; Tsuna is attacked by Lal Mirch.

An imposter provokes Kyoya Hibari and Mukuro; Tsuna and Reborn head to Chrome's hideout.

Lal announces the second trial; Monta Hariyama and Himeko Haryiyama are seen together.

Tsuna, Yamamoto and Ryohei encounter Mammon; Mammon begins Tsuna's trial with a set of riddles.

Tsuna receives a letter from Fon; Fon's trial is revealed; I-Pin activates a bomb.

Aria arrives with Haru and Kyoko and reveals Tsuna's next trial; Tsuna and Aria are attacked.

Reborn tells Tsuna and his guardians to assemble at Namimori Island for the next trial.

After completing the first stage, Verde decides to seek out the Vongola Rings.

Verde reveals his plan; Verde captures the Arcobalenos and takes them to his ship.

In exchange for the Arcobaleno's lives, Verde demands that Tsuna surrender the Vongola Ring.

Tsuna finds Verde hiding on a nearby island; Tsuna and his friends are sent back to the future.