S06E175: Yuni Comes

Irie reveals that their world has not been taken over due to his and Future Tsuna's intervention and that the plan to bring their past selves to the future was thought of by Future Tsuna. Byakuran demands the surrender of the Vongola rings after the Choice battle. However, due to Byakuran owing Irie a favor and Yuni's, the second leader of the Millifiore Family, opposition, the match is annulled. Yuni asks Tsuna to protect her and announces to Byakuran she will be defecting from the Millifiore.