Birdy the Mighty: Decode

Birdy returns to her home planet Altaria to attend a trial of one of the smugglers that she had arrested. She and Tsutomu were questioned by a deity named Nejula Gate Altaria regarding Ryunka. Nejula reveals to Tsutomu that Ryunka is used as a nuclear weapon, killing off the inhabitants of a planet named Bilugema. While Birdy visits her hometown, a terrorist bombing destroys a convoy of vehicles.