- M04: Cameo
- Yo-kai Watch Shadowside animation: Antagonist.
Shutendoji is mostly seen taking human form, in this form he looks like a 13 years old boy with black messy hair and blue eyes.
As Shutendoji, he is a humanoid Yo-kai with dark gray skin and covered in light gray markings on his forehead and shoulders. He has red long hair, longhorns, and white eyes with red pupils. He wears earrings on his pointed ears and a black shirt.
Shutendoji has been shown to be cunning and reckless. He has little sympathy towards others, often manipulating those who are willing to help, as well as deeming those who fail on their purpose useless (as seen with Fukurou over his failures into locate "The Princess" and dispose of Touma), or disposing of those who already served their purpose (as when he strips Sendo Rei of her clairvoyance abilities after revealing the latter was a second-rate fortune teller after he met her). He is very power hungry, as his goal is to obtain the five Youseiken and to find the individual known as "The Princess".
According to Yo-kai Lord Jaou Kaira, Shutendoji was an Oni Class Yo-kai, boasting the highest class of power within the Yo-kai World.
Yo-kai Watch Shadowside: The Return of the Oni-King
Shutendoji, along with Douketsu, appears in the second post-credits scene. After Oni King Rasen was defeated by the combined efforts of Natsume, Touma, Akinori, and their Yo-kai allies, Shutendoji was disappointed by the result, as he expected "The Princess" would appear in the chaos.
Yo-kai Watch Shadowside Anime
He seems to be an antagonist so far and is searching for someone whom he refers to as a Princess. As a means to this end, he tries to locate the remaining Kenbumajin Swords. Both Fukurou and Ganryuu Shimanouchi act as his underlings. He first appears at the end of the first episode by posing as a human boy named Haruya Sakami and enrolling in Natsume's class with the help of Ganryuu Shimanouchi, who is actually the Yo-kai Douketsu.
In SS003, He becomes interested in Touma's abilities after hearing Fukurou's reports on them and has decided to "play" with Touma, and his interest increases in SS005 upon knowing from Douketsu that he made a pact with Fudou Myouou and wields the Fudou Raimeiken.
In SS006, it was revealed that the house he is staying at actually belongs to an unrelated man, who is being hypnotized into not pressing charges.
In SS012, he has the human fortune-teller Sendo Rei lure Touma to her house, and he manages to get ahold of Fudou Raimeinken by offering Fudou Myouou a chance to fight and defeat the other Kenbumajin. Later, he strips Sendo Rei of her clairvoyance powers as he deemed her no longer useful, and orders Fukurou to get rid of Touma, which he fails to do (due to Kaira's interference), much to the dismay of Shutendoji.
In SS015, he starts to take notice on a sign the cherry blossom tree is showing. He is seen later peaking at Natsume and Ayame chatting. Towards the end, he starts to target Ayame for a certain reason.
In SS018, he continues to investigate Ayame through a majority of the episode, and soon he places a cherry blossom twig on her for a few seconds, and realized something interesting about her, soon he stopped Ayame and told her everything he did, and he explains, how she is "The Princess" he's looking for, but even though she denies it, he continues to act like a "bodyguard" to her.
In SS021, upon Ayame (or rather, an entity using her body as a vessel) seemingly revealing herself as "The Princess" to Haruya, he readily accepts a deal with her, as she has a plan and wants Shutendoji to play a part on it. much to the suspicions of Douketsu.
In SS023, he is ordered by Ayame to track and dispose of Dr. Chameleon, which he complies, eventually cornering the reptilian Yo-kai in a dark alley. Despite Dr. Chameleon shapeshifting into Haruya's human form in an effort to match his strength, this proves to be in vain, as Haruya, using the arm of his true form, undoes the change and strangles Dr. Chameleon, seemingly killing him.
In the following episodes, Shutendoji constantly gets her food and praises her skills, and in SS029, he goes to a search for something in the forest but got wounded on his search.
In SS030, he finds a box with a skull inside and presents it to Ayame at the Sky Tower. While she was grateful, she revealed to him that she lied about her plan to him and played him for a fool by toying with his desire to find "The Princess", and betrays Shutendoji by fully releasing her true form as Arachnia out of her. Angered by her lie, he plans to attack in his Oni form but got his powers drained from her, leaving him unconscious.
His family name "Sakami" (Japanese: 酒呑) is written with the same kanji that can also be read as "sakenomi" which means "drunkard". Notably, these kanji can also be read as "Shuten", which is part of Shutendoji's Japanese name.
His given name is likely taken from "haru" (Japanese: 春 spring), being one of the four seasons, which Touma, Natsume, and Akinori are also named for.