(癒えない傷, Ienai Kizu ) is the 259th episode of Boruto: Naruto Next Generations . Unlike the action-heavy arcs typical of the series, this episode is a character-driven story focusing on Mitsuki and the recurring theme of the "shackles of the past". Episode Plot Summary

You can watch Episode 259 on Crunchyroll , Apple TV , or Hulu.

: Characters like the "Rainy Day Killer" and the victims' family members struggle with a sense of duty to fulfill revenge for past events.

: While on patrol, Mitsuki is distracted because his pet cat, Mikazuki , has gone missing after their return from Kirigakure.

: The investigation reveals that the attacker is a man named Daizen , who used the "Sickle Weasel Technique" to stage attacks. He was attempting to frame others to cover up his own previous crimes.

: Mitsuki eventually finds Mikazuki being cared for by a girl who calls the cat " Niboshi ". She found the cat injured and took it to a vet.