Jinenji

was a hanyō who lived in a hut with his human mother. Together they grew a variety of medicinal plants, including some known for being powerful against poisons. The field where they grow the plants is his inheritance from his yōkai father.

During the story
He is first seen when Kirara is poisoned by Naraku's shōki and Inuyasha and Kagome travel to the village to find a cure. When they find him, they also help to clear his name as he was being falsely blamed for people's deaths in the village purely because of his demon blood.

Jinenji is depicted as a gentle giant who is initially scared of humans because of the way the villagers treat him. His arms, in particular, are covered with scars from attacks on his person. Upon meeting Kagome, he is surprised to find that she is not frightened by his appearance at all and willingly helps him collect herbs.

Inuyasha, having also dealt with abuse at the hands of humans when he was a child, attempts to convince Jinenji that he needs to be more forceful towards the villagers, especially after he rescues them from a demon.

In the end, Jinenji decides to continue his more gentle approach, giving the men injured during the demon attack the herbs they need to heal themselves. Out of guilt for having treated him so badly before he had saved them all, the village men decided to help Jinenji and his mother rebuild their hut that they had previously burned to the ground and clean up the herb field.

Anime only
In the anime it is shown like Inuyasha, Jinenji becomes fully human one day a month however, unlike Inuyasha, who becomes human at night, Jinenji becomes human during the day. He spends the day hidden away in the hut, under a blanket. Likely only his mother knows what his human form looks like, as he refuses to let anyone see him, but it does appear that he becomes a larger-than-average human. During one of these times, Rin visits his home searching for the cure to heal Jaken, who was poisoned by the Saimyōshō while protecting her. A while after, he was visited by Inuyasha's group, he compared Rin's kindness to Kagome's, in which Inuyasha objected saying otherwise, earning him several sit commands as he silently watched on.

Jinenji was later shown instructing Kagome in the use of medicinal herbs during her training in adapting to the feudal era when she decided to move there to live, marry Inuyasha, and became a priestess under Kaede.

Personality
A kind-hearted and hard working hanyō, Jinenji has a close relationship with his mother who protected him from the villagers who lived near their home. He appears to respect and appreciate his father for leaving him and his mother their herb farm, and he is unwilling to leave it despite the persecution he suffers. He develops a strong attachment to and affection for Kagome who was the first person besides his parents to treat him with any kindness despite his intimidating size and hanyō status. He also respects and understands Inuyasha who encouraged him to use his enhanced strength to defend his mother and himself for the first time. Jinenji then became more confident and happy, now having become a man in full.

Jinenji's kind heart shows he is not one to hold a grudge even if it's justifiable when he offered medicinal herbs to the injured men who had persecuted him and his mother. His forgiving nature, along with saving their lives, earned him their silent gratitude and even their compassion to make things right by helping Jinenji and his mother repair the damages to their home.

Physical description
Jinenji is humanoid of hulking size and well-muscled stature (standing over ten feet tall). He has tanned skin that looks orange and is covered with scars from the harassment and persecution he's suffered, he wears a sleeveless gray and blue robe stitched together to fit him, and he has a face vaguely horse-like with large blue eyes, and he has black hair pulled back in a small ponytail.

Powers & Abilities

 * Expert Healer: Jinenji has considerable skills as a healer since he spends all of his life growing an herbal farm that he inherited from his father. He was able to easily and quickly make a medicine for Kirara's poisoning in just a few minutes after being told by Inuyasha and Kagome. He recognizes what herbs are used for healing humans and demons as he hands a score of herbs used to treat superficial wounds to a group of human men after a battle with an insect demon. Later on, after Kagome moved to the feudal era and trained to become a priestess, Jinenji is seen instructing her on herbal healing and remedies.
 * Hand-to-Hand Combatant: Due to Jinenji's benevolent and docile nature, he never honed any skills in combat in spite of the treatment and death threats he received from the human villagers on a daily basis. However, it's proven that when the situation calls for it, he can be more than hold his own as he was able to fight and kill a large insect demon using wrestling maneuvers like a direct punch or a choke lock.
 * High Demonic Power: Jinenji has a high amount of demonic powers despite being a hanyō as when he gets emotional, his eyes glow and his body radiates with blue energy. He was able to kill a large insect demon once he focuses his powers into its body, causing it to explode, while receiving little damage to himself.
 * Superhuman Strength: Despite his docile nature, Jinenji has shown himself to be quite strong for a hanyō as he was able to punch through the body of a large fleshing eating demon and caused its body to explode when he squeezed it while holding it in a choke lock.
 * Enhanced Durability: Jinenji was able to endure the flesh eating saliva of the insect demon he was fighting against on his arm while it was through the demon's body, despite not having the healing rate Inuyasha has, with little reaction afterwards besides exhaustion as he had never fought before then. However, his body is covered with long-healed scars he received from the men who persecuted him and his mother.

Trivia

 * Unlike Inuyasha, who can recover from wounds and scars within minutes or a day, Jinenji still has visible scars all over his body, showing that he probably doesn't have regenerative abilities like Inuyasha.
 * It's possible Jinenji got his scars when he was younger when his half-demon powers had yet to surface, and thus any regenerative abilities he has didn't kick in until he was older.
 * Despite his superhuman strength, it is never shown if Jinenji has any special abilities from his mixed demon heritage.
 * Jinenji is one of the few hanyōs shown in the series to still have one parent that is still alive.
 * Jinenji appears to be the polar opposite to Inuyasha in several ways:
 * Unlike Inuyasha who is tough and aggressive, Jinenji is rather docile and polite.
 * His mother states that half-breeds like Inuyasha are born pretty, whereas others like him are born the opposite.
 * While Inuyasha takes a more direct approach, he prefers to take a more subtle approach.
 * Jinenji is rather quiet, while Inuyasha is opinionated.
 * During the time when both turn human, Inuyasha learns to trust others (albeit reluctantly), Jinenji keeps himself obscured (covered in a large blanket). Interestingly, both are the only hanyō to turn human in the series, apart from Izumo.
 * Inuyasha's inheritance from his father was Tessaiga, a yōkai sword that can slay a hundred yōkai in one sweep, while Jinenji's was an herbal farm that grew medicinal herbs for healing.
 * Despite being opposite in personalities, Inuyasha and Jinenji have some similarities.
 * Both lived a life ostracized by humans because of their heritage.
 * Both their fathers were demons and their mothers human.
 * Both saw the good of humanity through a human woman (Inuyasha through Kikyō and Jinenji through Kagome)
 * Both became fully human at some point and hid themselves.
 * Jinenji's name may refer to "", which is used in traditional Chinese medicine.
 * Many fans believe that Jinenji is a horse-hanyō because his face is long and equine in appearance. However, no canon material explicitly confirms or rejects this assumption.

Media appearances
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Manga

 * Chapter 112
 * Chapter 113
 * Chapter 114
 * Chapter 115

Anime
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 * Episode 31
 * Episode 96
 * Episode 107
 * Episode 24 (FA)
 * Episode 26 (FA)