A second manga series with art by Kairi Shimotsuki titled Rusted Armors: Daybreak has been serialized in the same magazine since May 2021 and has been collected in a single tankōbon volume.

An anime television series by Kigumi also titled Rusted Armors: Daybreak aired from January to March 2022.

A manga series with art by hagi was serialized in Media Factory's Monthly Comic Gene magazine from January 15 to October 15, 2019.

A second manga series with art by Kairi Shimotsuki titled Rusted Armors: Daybreak (錆色のアーマ-黎明-, Sabiiro no Āma: Reimei) began serialization in the same magazine on May 14, 2021.

[1] Taiki Sato, Toshiki Masuda, and Ryūji Satō performed the opening theme song "Faith.