Which episode of Tutor

The 58th episode of the Tutor animated version tells the story of when Vongola's ninth generation traveled to Japan. After the outside consultant Sawada Iemitsu and his wife Nana went to the airport to pick him up, they were at their own home. Tsunayoshi was frightened by a puppy. The Kyuudaime discovered that Tsunayoshi had the fire of death. In order to calm him down and seal the fire of death, he used his own fire to kill Tsunayoshi. Sealed it up and put him to sleep.