(spoiler) In this episode one of the main characters is acctually another one of the main characters. The character Ryoko Balta (space pirate) is acctually another character named Erma (Galaxy Police Officer/ Space Pirate Spy) who is a dog/cat alien. When she confronts Seina to kill him she can't bring herself to do it as she loves him, when she collapses to the ground she reverts back to her human form which we find out to be is Ryoko.