Aa kyuuseishu wa fue no ne to tomoni?

The Yggdrasil system is in chaos from all the attacks from the Lord of Terror. Urd starts releasing the Ultimate Destruction Program which will not only destroy the current world but allow the demons to rule it. Belldandy decides to release her sealed power and confront Urd. God gives Skuld a Midgard Flute as a last-chance vaccine to stop the Lord of Terror. Will those efforts be enough?