Tōkajin

was a "man" who lived atop a cliff in the Togenkyo region, where he watched over the Ninmenka (human-faced peach tree). He used the Ninmenka to try and achieve immortality through the Fruit of Longevity.

History
Tōkajin would "save" defeated or defected soldiers who were lost and hungry from war, shrink them down to size and make them train to become sages in his miniature village. When one of his apprentices would gain even minor spiritual stature, they would be put in Tōkajin's gourd, dissolved inside it, and thereafter become nourishment for Ninmenka.

After absorbing Kagome, Miroku, and Shippō he spotted the Shikon no Tama jewel shards left behind by Kagome. He began to consume them in his body by placing them in his belly button. His skin became rock hard and his confidence grew with his power.

He soon consumed Inuyasha into his gourd but was surprised when Inuyasha broke free by summoning his Tessaiga and rupturing a hole in the gourd. Tōkajin took Inuyasha to the Ninmenka to be sacrificed.

After a brief battle with Inuyasha, both Inuyasha and Tōkajin were flung from the cliff. Ninmenka, having obtained the jewels shards from the scuffle, transformed into a demon tree and grabbed Tōkajin before he could fall to his death. Relieved that his tree would save him, his delight turned to fear when Ninmenka informed him he only saved him as he wanted to consume his life force. Tōkajin was consumed into Ninmenka.

Powers & Abilities

 * Rock Durability: Tōkajin developed a rock-hard body upon consuming four Shikon no Tama. His skin took on the physical characteristics of a living rock and was only weakened once the Shikon no Tama were removed from his body.

Manga vs. Anime

 * In the manga, the tree Ninmenka did not have the ability to speak (though the Human-Faced Fruits did), and Tōkajin stated that he learned all of his spells by reading forbidden scrolls, because even after a few years of training his hermit-master would not teach him anything more than minor sorcery. In the anime, however, there was a discussion of how the tree Ninmenka gained the ability to speak after receiving a sacred jewel shard, and that it was the demon tree who told Tōkajin about the fruit of longevity and taught him spells. However, in both adaptations, Tōkajin stated that the reason he kept his master alive was because the hermit-master was the only person who knew the only true method to reach longevity, but would not divulge the information, saying Ninmenka's method was far inferior.
 * In the anime, Tōkajin met his end as he was falling to his death during his battle with Inuyasha, and Ninmenka saved him, only to devour the "Sage" in order to gain precious nourishment and "the freedom of movement". In the manga, he simply fell to his death.
 * In the manga, this part of the story happened before Sango is introduced. In the anime, it happened much later, after Sango's weapon was damaged and she left the group to go to her village to repair it.
 * In the manga, Tōkajin uses a staff to shrink Inuyasha. As flowers spew from the staff, he told Inuyasha to "look closely", as they become bigger and as Inuyasha shrinks. In the anime, Tōkajin shrinks Inuyasha (and supposedly the others who were trapped in his box garden) using a magic gourd.
 * In the manga, Tōkajin was a cannibal who ate the men inside his box garden. He also intended to eat Kagome when he found her but decided eating her small was a waste and bathed her so her servants can cook her. In the anime, all his men were used as fertilizer for Ninmenka and Kagome was to be turned into fertilizer for the tree too.
 * In the manga's series of events, Inuyasha's right arm is broken by Tōkajin during their fight. This does not happen in the anime.

Media appearances
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Manga

 * Chapter 79
 * Chapter 80
 * Chapter 81
 * Chapter 82
 * Chapter 83
 * Chapter 84
 * Chapter 85

Anime
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 * Episode 57
 * Episode 58