Koukaku no Regios: Secret Side (Chrome Shelled Regios: Secret Side)

In this school fantasy story set in the distant future, creatures contaminated by pollution have overtaken the land, forcing humanity to live in isolated mobile cities called Regios. One such city named Zuellni is a self-contained school in which freshman Layfon Alseif has just enrolled. Layfon reluctantly joins the 17th Martial Arts Studies Unit led by the third-year student Nina Antalk and embarks on a series of adventures. The story is a reorganized version of the original novel. Layfon is the main character.

Koukaku no Regios - Anime - AniDB

Koukaku no Regios / Манга

Ars No Kyojuu Chua Tek Ming~*Anime Power*~ !LiVe FoR AnImE, aNiMe FoR LiFe!

Chrome Shelled Regios, Koukaku no Regios

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Koukaku no Regios (Chrome Shelled Regios)

Chrome Shelled Regios, Koukaku no Regios

Koukaku no Regios (Chrome Shelled Regios)

Chrome Shelled Regios, Koukaku no Regios

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Chrome Shelled Regios - Baka-Tsuki

Chrome Shelled Regios - MangaDex

Koukaku no Regios - Baka-Updates Manga

Chrome Shelled Regios:Volume24 - Baka-Tsuki

List of Chrome Shelled Regios characters - Wikipedia