Leda was in training under Cepheus Albior alongside Shun and June. Like them, Leda fights equipped with chain weapons.
Gold Jump magazine, devoted to Saint Seiya anime version, dubs it warrior without armor or constellation, i.e. “Sonota Saint”, one of the mercenaries working for Sanctuary.
Leda is one of the students of Cepheus Daidalos at Andromeda Island, along with June, Spica and Shun. He is one of the candidates to obtain the bronze Andromeda Cloth. During the fighting made to see who has the opportunity to make proof of slaughter against Shun faces after this beat to Spica. As for the start of the fight Shun not attacked, Leda says he is afraid and does not want to fight him.
Shun claims they can be injured during combat, Leda says no is ready to become a Saint. Leda says he is willing to do anything to get the armor of Andromeda.Then Shun lunges Leda but this elusive and asks him if he is afraid.
Leda launches Shun trapping chain around his neck and then begins to punch him in the stomach and ends after several punches thrown him. Leda treads Shun on the ground while he is subject to the chain. Leda tries to end the bout drowning Shun, but this reacts after June gives encouragement and manages to break the chain of Leda.
Shun and Leda chains are thrown against each other and both holding one of the opponent’s arms. Approaching both Leda hit which is being torn down and ends up losing the fight. Shun is interested in the state of Leda after combat, but Leda wants nothing Shun’s compassion removing his hand.
A day in the island reaches of Andromeda, Scorpio Milo sent by the Pope of the Shrine to punish them, to believe them as traitors Shun rebelled against the Sanctuary. Milo attacked them all, being Albiore the only one who could put up for a while, but eventually fell.
Leda was one of the few who escaped alive from the island, just before Milo’s destroyed. Leda goes along with Spica to Japan with the intention of killing Shun and thus appease the anger of the Sanctuary. When they are hugged Shun and June, and these to see them ask them to do there.
Then Shun tells him cut his head and offered to the shrine. Shun tries to talk to them, but they will not listen to Shun and thrown against him. June tells Shun that Leda use cloth and to kick it down. After Spica and Leda attack Shun with Double Chain Nebula with their chains.
Shun tries to break free but Spica tells not be released. Leda says that resistance is futile. But then recalling his brother, Shun begins to react by increasing their cosmos and manages to break the chains that was trapped between Leda and Spica knocking.
Spica and Leda are launched against Shun, but is this who gets rid of both after knock them down with the chains that had fallen from his hand. Leda received a blow on the right eye causing a wound. This is his last appearance, after he was not seen again.