On their way to Blue Garden, Rebecca encourages Shiki to get his adventure license. She also asks him to be a bodyguard for her and Happy.

Shiki loses his cool when famous B-Cuber Labilia makes fun of Rebecca’s inferior B-Cube channel. Then, Shiki gets his official adventure license.

On the planet Norma, where time is 50 years in the past, Happy and Rebecca meet a young Professor Weisz, who long ago saved Happy’s life.

While Shiki and the gang struggle to fly Aqua Wing off of Norma, Weisz suddenly appears and offers to help — but he wants something in return.

After boarding the pirate ship Skull Fairy, Shiki makes his way to the bridge to confront Elsie Crimson and fight her for the vessel.

To find the fourth member of the Demon King’s Four Shining Stars, Shiki and the crew head for the Planet of Time, Mildian.

Before they venture beyond the cosmos in search of Mother, the Goddess of the Cosmos, Edens Zero visits Granbell at the request of Shiki, where he has an unexpected reunion.

Edens Zero is cornered by Edens One and Shiki and the crew are saved at the nick of time by the space pirate Elsie Crimson. After the battle, Elsie boards Edens Zero and talks to Shiki about something Ziggy had asked her to do a long time ago.

With Laguna's help, Shiki and the gang obtain a hint for finding Mother and leave Red Cave towards the Verdant Planet Foresta. Meanwhile, Elsie's pirate gang, cruising through the Aoi Cosmos on the Skull Fairy, are being pursued by Justice of the Cosmic Government's Interstellar Union Army.

Shiki confronts Orc from Poseidon Nero's Commando Team "Beast". Orc tells Shiki that they were ordered by Nero and are on a mission to cleanse this planet, which was under the control of Ziggy.

The battle in Foresta rages on and Elsie springs into action to help Shiki when Justice cuts his way.

The Doomsday System is activated and all of Foresta is in danger.

Now that everyone's back on the ship, Shiki introduces Xenolith, who has some disturbing statements that affect Shiki and his companions. Meanwhile, Oceans 6, Poseidon Nero's group, assembles and prepares for their next move.