Saint Seiya - Rerise Of PoseidonSaint Seiya - Rerise of Poseidon; 聖闘士星矢 海皇再起 RERISE OF POSEIDON; Os Cavaleiros do Zodíaco - O Retorno de Poseidon

The manga's story begins when a new threat arises while Athena's warriors are busy fighting Hades. To combat the new threat, Poseidon, the emperor of the sea, awakens.