Zero was mankind’s first real superhero. Under his watch, countless other superheros appeared and followed in his footsteps. However, after 5 years of war, Zero disappeared without a trace.
Source: MyAnimeList
Other anime produced by Big Firebird Culture.
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Yingxiong Bu Zai (英雄不再)
Wu Ren Zhixiao (无人知晓)
Other anime that aired alongside Hero Return.
