The final chapter of the Agent Mokusei (Agent Jupiter/エージェント木星 ) manga by Kodama Yuuki was released on August 20th, 2026, on Kodansha’s Comic Days website.

Kodama (Blood Lad, Shoukan Suru Sekai ) started the manga in February 2025 in Kodansha’s Morning Two magazine and the Comic Days website, and Kodansha published the manga’s first tankoubon volume in July 2025. The manga’s third volume was released in June 2026.

Agent Mokusei Manga Cover 1

Agent Mokusei Manga cover 3

The manga follows the powerful agent Jupiter, who has finally completed his 15-year quest for revenge against his sister’s killer and is retiring as an agent. Hiding his superhuman powers, he begins a second life in the peaceful parallel world “Side A.” While he intended to hide his power and assume a civilian life, a young girl appears in his life and turns his plans upside down.