Onyx Equinox - シーズン1 (2020)

"The gods are at war for the future of humanity, and an Aztec boy named Izel finds himself caught in the middle of their dangerous game. In order to save humankind, he must complete an impossible task--closing the five gates to the underworld. Izel reluctantly agrees, but only after learning his quest will also correct a terrible tragedy. His journey to become humanity’s champion will be one of hope and despair, of trust and betrayal, where Izel must confront his own darkness and decide if the human race--with all its flaws and contradictions--is worth saving.