sentences:  After this, Tsuna tries to return to his daily life with his friends at Namimori Middle.However, when Reborn starts having strange dreams of Checkerface, also known more mysteriously as "The Man in the Iron Hat", Tsuna and his fellow student Dino Cavallone are roped into being his representatives in the "Battle of the Rainbow".Joining their team are Yamamoto, Gokudera and Ryohei.