Usagi Tsukino is still struggling to balance her home life with the duties of being Sailor Moon, the guardian of love and justice. Along with the other Sailor Guardians and her boyfriend Mamoru Chiba, they begin investigating cases of students from Mugen Academy, a school for the most elite students, who are being transformed into monsters. During the investigation, they meet three strange individuals: Haruka Tenou, a handsome racecar driver; Michiru Kaiou, a talented violinist; and Hotaru Tomoe, a mysterious girl with a weak constitution. As more incidents occur, the Sailor Guardians are met with another surprise—the appearance of two new planetary protectors with motives of their own. Despite the newcomers' questionable allegiance to Usagi and her comrades, they all face a threat from a common enemy: an evil entity who calls himself Pharaoh 90.

When Mamoru was little he gave a rose to a little boy named Fiore. Fiore promised that one day he would bring Mamoru lots of flowers. Now Fiore has come back to earth but his intentions are not merely to fulfil a promise... (Source: ANN)

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.

In the new, whimsical era of Battle Spirits, cards have become scattered across a colorful galaxy, enticing all card questers to duke it out in search of the strongest cards. Rei is a flamboyant wanderer who is obsessed with being on top. Accompanied by a small dragon named Mugen and a talking robot named Salt, the self-proclaimed Number One Star regularly engages in card-gaming mischief through flashy battles. One day, Rei meets Raira and Rikuto April, both of whom seem to have clues on the whereabouts of the ultimate Battle Spirits card. Together, they embark on a quest to search for the card, clashing with many vibrant personalities along the way. Soon, their adventure catches the attention of the Guild, wily villains who are also set on obtaining the Ultimate Battle Spirits. In contending against the Guild, Rei's status as number one is put to the test—an endeavor that will slowly unveil secrets regarding the fate of the universe.