Fungus and Iron

• Ja Kanji — 菌と鉄 • Ja Romaji — Kin to Tetsu • Genre — * Adventure • Dark fantasy • Science fiction

• Type — manga • Author — Ayaka Katayama • Publisher — Kodansha • Magazine — Bessatsu Shōnen Magazine • First — March 9, 2021 • Volumes — 9

• Type — tv series • Director — Keitaro Motonaga • Studio — Yokohama Animation Laboratory

• Portal — yes Fungus and Iron is a Japanese manga series written and illustrated by Ayaka Katayama. It began serialization in Bessatsu Shōnen Magazine in March 2021. As of April 2026, the series' individual chapters have been collected into nine volumes. An anime television series adaptation produced by Yokohama Animation Laboratory has been announced.

Set in a world where humanity has been ruled by fungi and all freedoms have been taken away by the Amigasa government, Dante, a soldier, lives in Area D-18, which is controlled by the government. One day, Dante is assigned to a top-secret mission that forces him to travel outside of Area D-18. While on the mission, he meets a woman named Aoi. After talking with her, he begins to distrust the government and joins a rebel organization to stand up against it.

Written and illustrated by Ayaka Katayama, the series began serialization in Kodansha's Bessatsu Shōnen Magazine on March 9, 2021. In August 2021, the series went on hiatus due to Katayama going on maternity leave; the series resumed serialization in March 2022. As of April 2026, the individual chapters have been collected into nine tankōbon volumes. The series is set to end serialization on September 9, 2026. In January 2022, Kodansha USA announced that they licensed the series for English publication.

An anime television series adaptation was announced on March 4, 2026. It will be produced by Yokohama Animation Laboratory and directed by Keitaro Motonaga.

Fungus and Iron is associated with Japan.