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Season guide

Natsume's Book of Friends: Season 6

11 episodes Premiered Apr 12, 2017 Updated Sep 30, 2026

Takashi Natsume continues to experience encounters with youkai through the Book of Friends, a powerful tool containing the names of youkai sealed in contracts by his grandmother, Reiko Natsume. These encounters allow Natsume to better understand the youkai, Reiko, and himself. Although Natsume desires to live out his daily life in peace, his experiences constantly disrupt him. The Book of Friends is sought after by b

Previously on Natsume's Book of Friends

Season 6 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Takashi Natsume possesses the ability to see spirits and demons that hide from the rest of humanity, a gift that has long set him apart from other people.
  • ⚡ Natsume inherited a magical book known as the Book of Friends from his grandmother, Reiko Natsume, causing the supernatural world to become aware of him.
  • ⚡ The Book of Friends contains the names of youkai sealed in contracts by Reiko, making it a powerful tool that can be used to control youkai.
  • ⚡ The book is actively sought after by both youkai and exorcists alike, constantly disrupting Natsume's desire to live out his daily life in peace.
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Season overview

Takashi Natsume continues to experience encounters with youkai through the Book of Friends, a powerful tool containing the names of youkai sealed in contracts by his grandmother, Reiko Natsume. These encounters allow Natsume to better understand the youkai, Reiko, and himself. Although Natsume desires to live out his daily life in peace, his experiences constantly disrupt him. The Book of Friends is sought after by both youkai and exorcists, as it can be used to control youkai. To end this torment, Natsume must explore more about the book and the world of exorcism, while also beginning to open his heart to those who can help him. Through these ongoing interactions, he navigates the complexities of the supernatural world that has become aware of him since he inherited the magical book.

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Season 6 Episodes

Episode Guide

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Season 6 Progress Shield

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Binge Efficiency Engine

Season 6: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

27%
73%
Mytharc (3): Crucial lore & season climaxes
Core (8): Character development & subplots
Side Quest (0): Standalone / filler
S6·E1 Mytharc

The Days Eater

Apr 12, 2017 · 24 min

Natsume helps a youkai out of a pot, and as a "reward," is made young again. But Natsume is already young, and making him younger just confuses him and addles his memories. When he

S6·E2 Core

It Blooms Tomorrow

Apr 19, 2017 · 24 min

Natsume's town is visited by a stonewasher: a powerful magical being capable of purifying tainted rocks. The stonewasher is looking for its lost student, and turns to Natsume for h

S6·E3 Core

Nitai-sama

Apr 26, 2017 · 24 min

Natsume gets a call from his old "friend" Shibata, who he once helped with a youkai problem. Shibata wants him to come visit, and Natsume reluctantly agrees. He and Tanuma pay Shib

S6·E4 Core

Lying Eyes

May 3, 2017 · 24 min

Natsume watches a movie starring Natori, and when he's done he finds one of Natori's paper dolls. The doll is soaked and the text on it is impossible to read, and Natsume becomes c

S6·E5 Core

The Bound Ones

May 10, 2017 · 24 min

Natsume finds that Tsukiko's home is haunted by not one, but three separate youkai, each with its own motivations. One wants to protect Tsukiko's father, and the other two... Nato

S6·E6 Core

Nishimura and Kitamoto

May 17, 2017 · 24 min

Natsume's friends reflect on how they met him, and the difference he made in their lives. He's found a home, and he means a lot to the people who live there.

S6·E7 Core

Gomochi's Benefactor

May 24, 2017 · 24 min

Natsume meets a youkai named Gomochi, who has come in search of Reiko. The youkai has a message for Reiko, and wants to thank her for a favor she did him long ago. In hearing his s

S6·E8 Core

A Day That Will Someday Come

May 31, 2017 · 24 min

Natsume is on his way home when he finds a letter on the ground. The letter seems to belong to a nearby man, who asks Natsume to take him to his school. The man is actually a youka

S6·E9 Core

What Flows

Jun 7, 2017 · 24 min

Natsume travels to an inn for a study session with the rest of his class. While he's there, a flood washes away a local shrine. The shrine is said to house three masks, but Natsume

S6·E10 Mytharc

The Sealed Room

Jun 14, 2017 · 24 min

Natori is trying to find information on Natsume and his book of friends. Meanwhile, Natsume visits his house to deliver some of Touko's homemade jam. But this is the start of an ad

S6·E11 Mytharc

What Matters

Jun 21, 2017 · 24 min

Natori's group searches the Hakozaki mansion for the study. But other forces want the powerful magics contained within, and Natsume doesn't want them to have it...

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