Usagi Tsukino and her friends have been living peacefully until they are called into action again as Sailor Guardians, planetary warriors fighting for the peace of the galaxy. Usagi, also known as Sailor Moon, leads their group into battle when a new threat from beyond the stars presents itself: two survivors of an alien race, An and Ail. In order to save the source of their life force, the Makai Tree, An and Ail begin harvesting energy from unsuspecting humans. The Sailor Guardians must stop their plot or face the annihilation of Earth. But as one threat subsides, another follows—this time in the form of a little girl from the future who seeks the source of Sailor Moon's power to save her family. However, she is not the only one vying for it, as a group known as the Black Moon Clan also wishes to obtain the power and use it for nefarious purposes. In order to protect their destinies and the harmony of the universe, Sailor Moon and the rest of the Sailor Guardians must fight to stop these forces from succeeding.

A mysterious entity known as the Big Gete Star clings onto planet New Namek to absorb its energy, putting all Namekians in grave danger. Dende, Earth's new guardian, learns about the prevailing situation in his homeland and quickly requests Gokuu Son and his friends for help. Upon arrival in New Namek, they discover that the Namekians are held captive by powerful robots, whose leader turns out to be Cooler. He explains that the advanced technology of the Big Gete Star saved him from what otherwise would have been certain death. Alongside his mechanical army, Cooler proceeds to attack Gokuu and his friends to get rid of them once and for all.

The great Jahy will not be defeated! Simultaneously combating starvation, the lack of A/C, and the unavoidable weakness of turning child-sized, Jahy—previously the second strongest being in the Dark Realm—is under great stress. If it weren't for the destruction of the mana crystal which used to power the Dark Realm, Jahy would still be living a life of power and luxury. And yet, at the moment, brawling with the landlady over rent is a recurring event for Jahy. Just to have a place to stay and food to eat, Jahy must work part-time. However, her immense pride will not allow her to live under such poor conditions for any longer than necessary. Vowing to reinstate the Dark Realm to its former glory, Jahy continues her journey to reassemble the mana crystal.

After fanatically playing the VRMMO World Fantasy Online for almost a year, the shut-in yet relatively affluent 15-year-old Yuna receives a bear costume from the game's administrators. The outfit, while somewhat embarrassing to wear, turns out to have overpowered stats and effects that make her character significantly more powerful. After accepting the bear equipment, she finds herself transported to another in-game world that prevents her from returning to reality. Confused and unable to log out, Yuna sets out to explore this new environment. She rescues a girl named Fina from wild wolves, who then guides her to the city of Crimonia. With her eccentric bear attire, however, Yuna stands out wherever she goes, and alongside her boosted fighting prowess, her reputation quickly rises—to the point that people give her the nickname Bloody Bear. Undeterred by this change in her life, Yuna decides to take on the role of an adventurer and fully enjoy herself in her new world.