It was serialized in Shueisha's Weekly Shōnen Jump from August 2020 to April 2021, with its chapters collected in four tankōbon volumes.

However, upon meeting Riku Aibetsu, he may have a chance to find a long lost foe.

Written by Togo Goto and illustrated by Kento Matsuura, Phantom Seer was first published as a one-shot in Shueisha's Jump Giga in 2017, and in Weekly Shōnen Jump in September of the following year, where it won the 2018 Golden Future Cup competition.

[2][4][5] Shueisha collected its chapters in four individual tankōbon volumes, released on December 4, 2020,[6] to July 2, 2021.

[9] In December 2020, it was reported that the first volume of Phantom Seer performed well, as their initial amount printed sold out leading to a reprint.