The Tatsumi siblings head to the birthday party for a baby that they helped birth in a time of crisis. During this, the three Hades Demons attack and spread exploding feathers all over the city.

With the team reeling after their loss, they must pick themselves up and get back out there to save the city.

The Tatsumi siblings are told that Kyouko is working with their father on a new project and find blueprints for a new warrior. They then decide to show just how good they are as a team and that they don't need another teammate.