S4E92 : Your Choice

Chrome is brought back by Ryohei to the Vongola Hideout, and delivers the message to the surviving Vongola family members—including the Varia—along with several Alliance families, are planning to attack the Millefiore family in just five days. With the 7 Guardians finally reassembled, it is up to Tsuna to decide whether or not they will participate in the attack.