Rushing Into The Last Night (突入前夜) is the 100th episode of the Katekyō Hitman Reborn! anime series.
Yamamoto and Gokudera have finished their training. Meanwhile, Tsuna loses his charm made by Kyoko. Later, he bumps into her and she returns it to him, then the first Millefiore Black Spell battle is recapped. Also, Hibari reveals that the Millefiore battle simulation reveals a 0.0024% chance of success for the Vongola. Thanks to Glo Xinia, the Millefiore now knows where the Vongola Base is.