In 19th century France, a struggling single mother, Fantine, leaves her three-year-old daughter Cosette in the care of her new acquaintances, the Thernadiers. Unfortunately, Cosette's caretakers prove to be anything but loving, and the poor girl is subjected to repeated abuse and forced servitude. Still, she endures the torment in the hopes of seeing her mother once again. One night, while doing errands for her host family, Cosette is assisted by an honorable stranger named Jean Valjean. After a brief conversation with the young girl, Jean acknowledges her as the type of person he has been seeking and rescues her from the clutches of the Thernadiers. They make their way to a nearby town where Cosette enjoys a new life thanks to her savior. Under Jean's guidance, Cosette promises to help others with her newfound freedom. She pledges to heal the nation, ensuring that no one else suffers her fate. Though the road ahead is paved with tragedies left by the French Revolution, this idealistic girl will not rest until France is freed from poverty and suffering.

Giovanni is a young boy who lives on the outskirts of a small rustic village. His mother is bedridden and his father has not returned home since leaving to work on a fishing boat. An outcast at school, Giovanni has only one friend: Campanella, the mayor's son. During the town's Festival of Stars, Giovanni starts to daydream atop a hill and looks up to find a steam engine train floating in the air. He boards the train only to find his friend Campanella already there. And so, the two begin their journey through the stars where they come across unusual people and visit many beautiful and haunting places.

On the surface, high school student Koyuki Koyun Hikawa seems unapproachable and terrifying to most other students. In reality, Koyun is just insecure and prone to overthinking due to her uncomfortable experiences in middle school. However, her chance encounter with two boys in school—Minato Amamiya and Youta Hino—sparks a change in her. Like her friend Miki Azumi, the boys are never afraid to approach Koyun and see her for who she really is. Although Koyun starts spending more time with Miki, Minato, and Youta, she finds herself torn between her newfound bliss and her fear of getting too attached to others. Meanwhile, each of her friends quietly struggles with their own challenges. But as the new friend group continues to navigate high school together, Koyun and the others start to break out of their shells and enjoy their adolescence to the fullest.

In a future where hip-hop reigns supreme, skilled rappers put on shows known as Phantom Lives. There they turn their powerful emotions into captivating illusions for their audiences through the usage of Phantometal—a material that reacts to the rapper's DNA to create the fantastic imagery. However, usage of Phantometal causes rappers to relive past traumas and painful memories in so-called Trap Reactions. Depending on the strength of the rapper's emotions, these reactions can be debilitating and even affect their psyche. After disappearing without a trace 10 years prior, the legendary CLUB Paradox mysteriously returns to announce the start of a new Phantom Live competition called Paradox Live. With 10 billion yen on the line, four established groups—BAE, The Cat's Whiskers, cozmez, and Akanyatsura—are invited to take center stage. Though wary of the strange circumstances, each of these groups have their own reasons for throwing themselves into the competition. Unfortunately, the path to glory may be more ruthless than they could imagine.