Cosmos (manga)


Cosmos is a Japanese manga series written and illustrated by Ryuhei Tamura. It began serialization in Shogakukan's manga magazine Monthly Sunday Gene-X in April 2023.

Synopsis

Set in modern-day Japan where aliens live hidden among humans, the series follows high school student Kaede Mizumori. After being recruited by investigator Rin Homura from the Galactic Financial Insurance Group "Cosmos", he uses his innate ability to detect lies to help solve cases involving extraterrestrials. Through his work, he confronts challenges arising from human-alien coexistence while developing his own abilities.

Media

Manga

Written and illustrated by Ryuhei Tamura, Cosmos began serialization in Shogakukan's manga magazine Monthly Sunday Gene-X on April 19, 2023. The series' chapters have been collected in seven volumes as of September 19, 2025.
In October 2024, Viz Media announced that it has licensed the manga for English release in North America, with the first volume set to be released in Q3 2025.

Other

In commemoration of the release of the manga's sixth volume on May 19, 2025, a promotional video and a commercial were uploaded to the Monthly Sunday Gene-X YouTube channel that same day. The commercial appeared during the broadcast of Case Closed on NNS-affiliated stations on May 24, 2025. Both videos feature narration by Takayuki Sugō.

Reception

The series was ranked fifth in the print category at the tenth Next Manga Awards in 2024; it was nominated for the eleventh edition in 2025 in the same category, and ranked second. Along with Nezumi's First Love, Cosmos ranked ninth on Takarajimasha's Kono Manga ga Sugoi! list of best manga of 2025 for male readers. It was nominated for the 18th Manga Taishō in 2025 and ranked eighth with 38 points. Along with Fate Rewinder, Dandadan, Dekin no Mogura, and Hirayasumi, the series won the 71st Shogakukan Manga Award in 2026.
The series was recommended by manga authors Tite Kubo, Kazuhiro Fujita, Hiromu Arakawa, and Rumiko Takahashi, with comments featured on the of the first, second, fourth, and fifth volumes, respectively.