Is No Guns Life Finished? Yes — Complete in 13 Volumes
Yes — No Guns Life is complete. It ended in Japan with 13 volumes; the final volume came out in December 2021.
Everything below reflects the Japanese edition — the source of truth that runs months or years ahead of English releases — computed from official publication records.
Volumes in Japan: 13 (latest: ノー・ガンズ・ライフ = NO GUNS LIFE : SF hard-boiled the gun smoke drifts muzzle talks 13, 2021-12)
Next volume in Japan: not yet announced in Japan.
Status: Yes — No Guns Life is complete. It ended in Japan with 13 volumes; the final volume came out in December 2021.
Serialized since: 2015