1x14 - The Legend of the Legendary Heroes

Ryner and Ferris, taking Arua with them, head to a manor, where Sui and Kuu have taken Kuku hostage. Ryner is against the idea of using the Alpha Stigma as for the means of war. Just when Kuku is about to face death, Froaude unexpectedly appears and intervenes, but Ryner allows Sui and Kuu to escape.