"Number Six"@en . "\u85CD\u82B1 \u60A6"@en . "Unknown"@en . . . . . . . . . "Alive"@en . "Unknown"@en . . . "Aihana Etsu (\u85CD\u82B1 \u60A6 Aihana Etsu?), also referred to as the Number Six, is the sixth ranked Level 5 esper in Academy City. A recurring joke in the series is the mystery surrounding their identity."@en . . . "Aihana Etsu"@en . "Aihana Etsu"@en . "Unknown"@en . . . . "Aihana Etsu (\u85CD\u82B1 \u60A6 Aihana Etsu?), also referred to as the Number Six, is the sixth ranked Level 5 esper in Academy City. A recurring joke in the series is the mystery surrounding their identity."@en . "5"^^ . "Novel"@en . "Aihana Etsu"@en . .