Star Driver takes place on the fictional Southern Cross Isle. One night, a boy named Takuto washes up on shore swimming from the mainland. He later enrolls in Southern Cross High School as a freshman and makes new friends. (Source: Official website)

After reminiscing about his late grandmother, Nobita Nobi wishes to see her again and asks Doraemon to return them to the past. Following the wholesome reunion of the two, Nobita's grandmother confesses that she hopes to meet his future bride. Nobita accepts her request out of filial love and quickly scrambles into the time machine as he and Doraemon journey forward in time. However, when the duo warps to Nobita's wedding day, they discover that the future Nobita is missing from the ceremony! Determined to set things right, Doraemon and Nobita embark on a mission to search for Nobita's future self and encourage him to discover the happiness he deserves.

Yuuta Hibiki wakes up in the room of Rikka Takarada and notices two things: he has no memories, and he can hear a mysterious voice calling his name from a nearby room. On further inspection, he finds a robot—which introduces itself as Hyper Agent Gridman—behind the screen of an old computer. Much to Yuuta's surprise, Rikka cannot hear Gridman, nor can she see the ominous monsters looming over a thick fog as it envelopes the town outside. Another giant monster materializes in the city and proceeds to wreak havoc. Amidst the confusion, Yuuta is once again drawn to the old computer and merges with Gridman. Suddenly, he appears in the middle of the battle and is forced to fight the monster. Together with Rikka and fellow classmate Shou Utsumi, Yuuta forms the Gridman Alliance to defeat the monsters plaguing the city and find whoever is responsible for their emergence.

When a meteor shower causes a mysterious star-shaped alien to land in Lala Hagoromo and Hikaru Hoshina's home, the girls find themselves having to take care of the mischievous creature whom they name Yuma. Although their relationship gets off to a rocky start, Lala and Yuma eventually connect through their similar passions for music and exploration. However, when strange alien hunters targeting Yuma arrive on Earth, the girls learn that there is more to Yuma than what meets the eye. In protecting Yuma, the Star☆Twinkle Precure find themselves entangled in an astronomical battle where the fate of the galaxy is at stake! Will Yuma feel the Precure's emotions through their melody, and can they make the necessary sacrifices to defend everything they love?