Shounen Onmyouji

The Teen Exorcist
少年陰陽師

Manga6 volumes · 31 chaptersFinished

AdventureSupernaturalHistoricalMythologySeinen

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Synopsis

Japan's Heian Period. Masahiro serves as a royal diviner just like his grandfather, the legendary Abe no Seimei. His dream isn't to follow in his grandfather's footsteps, though—it's to surpass him! During some intense training with his spirit companion, Mokkun, Masahiro notices an ominous presence targeting the princess... Can he protect the royal capital and escape from his grandfather's shadow?! (Source: Yen Press)

Publication notes

Shounen Onmyouji has been published in English as The Teen Exorcist by Yen Press since November 19, 2024.

Published

Jan 4, 2023 to Nov 4, 2025

Authors

External links

MyAnimeList page Official Site

MAL rank: #47359
Members (MAL): 262
Favorites (MAL): 2

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Adaptation

Alternative Version

Shounen Onmyouji

Main characters

Touda104 fan favorites
External profile
Guren is one of twelve Shinshō in service to Seimei, who gave him his current name, after he pledged his servitude. His original name is Tōda, (騰蛇). However, the other Shinshō still address him by his original name. Only Seimei and Masahiro call him Guren. The form he takes most of the time is an ayakashi although Masahiro considers him a mononoke, whom Masahiro named Mokkun. Because he's invisible to anyone without a spirit sense, Mokkun frequently plays tricks on people who annoy him, much to Masahiro's chagrin. It was also shown in the anime that Guren dislikes babies, because according to him, babies often cry for no reason. However, Masahiro disagrees, saying that Guren was merely afraid that the children who saw him would hate him. From the time Masahiro was a baby, Guren watched over and protected him, as Masahiro was the only person who wasn't afraid of him. Because of this, despite how they constantly bicker with each other, Masahiro and Guren share a deep sense of friendship and trust between them and both are willing to lay down their own lives for the other. It is also mentioned that Guren is one of most feared summon gods, possessing the power of controlling the fires of Hell. Seimei also created a golden ring to wear around Guren's head to keep his own strength from overwhelming him. Since Masahiro doesn't fear Guren, Seimei cites this as the proof his grandson is the only one compatible to be his successor. In the form of Mokkun, the familiar is able to erect barriers and project crescent shaped blades of energy; in the form of Guren, he attacks with blasts of fire and a trident. In the past, Seimei’s best friend Ryūsai who ordered Guren by using the Baku-kon spell, a spell that could forcefully control anyone’s heart. He used it on Guren to kill Seimei and after that kill him. In addition, because of that incident the other Shinshō don't trust him. Nevertheless, that began to change with Masahiro's help, as stated by Kōchin. Later in the series, he is corrupted by Chishiki no Gūji, losing his soul and becoming a cold-blooded monster who almost leaves Masahiro to die. It is later revealed that he’s a slave of the Underworld, as he controls the Fires of Hell. His blood was required to break the final seal of the gate to the Underworld. At the end of the anime, Masahiro revives Guren; saving his life in exchange for Guren's memories of Masahiro being sealed away, so he would not have to remember and regret the terrible things he has done. Despite Guren having no memory of who he is, Masahiro felt that this was better than seeing him die. However, Guren is sill one of Seimei's familiars. As such, he is under orders from Seimei to continue to look after Masahiro. (Source: Wikipedia)
Masahiro Abe no75 fan favorites
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Masahiro is the protagonist in the series. He is an Onmyōji in training and the grandson of the legendary Abe no Seimei. When he was young, Masahiro’s spiritual sight was so strong that Seimei temporarily sealed it away until he was old enough to properly use it. After meeting Mokkun, Masahiro regained his spirit sight and embraced his destiny as an Onmyōji in service to the emperor. He is friendly and kind to both yōkai and people whom he seeks to protect from evil demons that had taken up residence surrounding the imperial capital. Although he is sometimes cocky and clumsy, there are moments when he utilizes powers beyond those of a mere apprentice, which is why Seimei claims he is the only one who can succeed him. Masahiro greatly resents being known only as Seimei no Mago (晴明の孫, Seimei's grandson) and trains hard to surpass his grandfather. He has two older brothers whom both are married and has families of their own. Narachika is the eldest in the family. His second older brother, Masachika is ten years older than he is. According to Ten’itsu, children in the Abe residence were often taken care by the twelve Shinshō. It was seen through flashbacks in the anime that Masahiro was taken care by Guren. In addition to his magic, Masahiro later receives a sword called the Gōma no Tsurugi, a sword which was forged by Seimei which previously belonged to Suzaku. He was also given Kagutsuchi (軻遇突智) by Takao no Kami, flames that has the power to kill gods, in order to destroy the corrupted Guren. In addition, he erased Guren’s memories that are about him, meaning that Guren will never remember the time when he met Masahiro in the form of a mononoke or the time when they were fighting demons together. He cares a lot about his friends, his family and his love, Fujiwara no Akiko whom he vows to protect no matter what. (Source: Wikipedia)
Seimei Abe no13 fan favorites
External profile
The greatest Onmyouji in in the history of Japan, Abe no Seimei is the grandfather of Masahiro. He has Twelve shikigami under his command and is able to transfer his soul (which is in his younger form) outside of his old aged body, but this makes his body vulnerable. He teases Masahiro to push him further in his journey (which is kind of like a reverse psychology) and helps him out when he is in trouble. Masahiro calls Seimei "Old raccoon" when he is angry after Seimei's lecture/teasing of Masahiro's performance. (Source: Wikipedia)