is a Japanese light novel series written by Ryà «to and illustrated by Tetsuhiro Nabeshima. It began serialization online in February 2019 on the user-generated novel publishing website Shà Âsetsuka ni Narà Â. It was later acquired by Fujimi Shobo, who have published sixteen volumes since July 2019 under their Kadokawa Books imprint. A manga adaptation with art by Shinichi Matsui has been serialized online via Kadokawa Corporation's ComicWalker website since November 2019 and has been collected in eleven volumes. An anime television series adaptation produced by Studio A-Cat is set to premiere in October 2026.
One day, a man named Satou Takahiro mysteriously awakens in a world that is similar to his favorite science fiction video game. Now known by his in-game name Hiro, he becomes an interstellar mercenary, and later attracts the attention of several women.
Written by Ryà «to, Reborn as a Space Mercenary: I Woke Up Piloting the Strongest Starship! began serialization on the user-generated novel publishing website Shà Âsetsuka ni Narà  on February 4, 2019, and is still ongoing. It was later acquired by Fujimi Shobo who began publishing it with illustrations by Tetsuhiro Nabeshima under their Kadokawa Books imprint on July 10, 2019. Sixteen volumes have been released as of December 10, 2025.
The light novels are licensed in English by Seven Seas Entertainment.
A manga adaptation illustrated by Shinichi Matsui began serialization on Kadokawa Corporation's ComicWalker website on November 24, 2019. The manga's chapters have been collected by Media Factory into eleven volumes as of March 2026.
The manga adaptation is also licensed in English by Seven Seas Entertainment.
An anime adaptation was announced on February 6, 2025. It was later confirmed to be a television series produced by Studio A-Cat and directed by Norihiko Nagahama, with Takamitsu KÃ Âno handling series composition, Masami Sueoka designing the characters, and Kenta Higashioji composing the music. It is set to premiere in October 2026.
By February 2025, the series had over 1.3 million copies in circulation.