BACK ARROW

Lingalind is enclosed by the Wall. The Wall covers, protects, cultivates, and nurtures the land. The Wall is God. One day in Edger, a village on the outskirts, a mysterious man named Back Arrow appears. Arrow has no memory, but he claims that all he knows is that “I came from outside the Wall.” Arrow tries to go beyond the Wall to regain his memories but is pulled into one conflict after another. (Source: Funimation)

AMAIM Warrior at the Borderline

In 2061 AD, Japan is dominated. Divided and ruled by the four major economic blocs of the world, the Japanese people spent their days oppressed as subjugated citizens. Japan became the front line of the world where AMAIM, a human-type special mobile weapon deployed by each economic zone, strode about.. One day, Amou Shiiba, a boy who loves machines, meets i-LeS (autonomous thinking AI) named "Gai," and this leads him to throw himself into the battle to reclaim Japan, by piloting the AMAIM "Kenbu" built by himself. (Source: Crunchyroll)