Saint Seiya: Meiou Iden – Dark Wing

is a spin-off manga written by Kenji Saito and illustrated by Shinshu Ueda, based on Masami Kurumada's Saint Seiya series. It began serialization on Akita Shoten's monthly magazine Champion Red in December 19, 2020, in the February 2021 issue.

Prologue
Shoichiro was a common and current preparatory student, but when he woke up after an accident he suffered, he was a Specter under the command of Hades, a Wyvern feared as one of the three leaders of the Underworld. Besides, his twin brother is the Gold Saint of Gemini and his childhood friend Cattleya is the goddess Athena. An epic battle between the Sanctuary and the underworld is about to start!