Just as the planet approached its third World War, individuals with superpowers appeared from around the globe to maintain peace. They became the symbols of their respective nations, striving to limit crime and bring evildoers to justice. Teenage heroine Teru "Shy" Momijiyama is Japan's representative in the world of heroes. When a mysterious threat called Amalareiks emerges, Shy must work together with her fellow heroes to stop them at all costs.

Osamu and Youko Sonoyama want more than anything to adopt every child from Soramame House, but the wealthy couple can only pick one due to their increasingly old age. While they contemplate this delicate decision, one child's alluring beauty and gentle soul instantly draw them in. Two months later, the Sonoyamas welcome 13-year-old Hitori into their warm and loving home. However, Hitori's humble and overly polite exterior is merely a masquerade. In reality, Hitori is a carefully crafted character played by identical twins Migi and Dali. For them, being the ideal child of this kind couple is merely a stepping stone to infiltrating a certain quiet town. While dutifully protecting their cover, the twins work toward their true objective: to discover the truth behind a past incident that left them with a burning desire for vengeance.

Haruo Hibiki, a former orchestra conductor, suddenly appears in front of Tenshi whose peaceful daily life suddenly turns into chaos after meeting Haruo. Although Haruo is an up-and-comer, his troublesome personality causes him to be kicked out of the orchestra. In exchange for being allowed to return, Haruo must meet certain conditions. The conditioning being to establish a new boy's choir club with only male voices at Kawagoe Academy and win the National Boys' Choir Competition. Tenshi and his friends are forced to join the 'Boys Choir Club'. The new choir members are fed up with Haruo, who has a personality that is immature, cannot read the atmosphere, and can't help but use abusive language. However, as they continue to sing and are swayed by Haruo's mysterious guidance, they eventually become absorbed in the choir. As high-level rival teams appear one after another, will the Kawagoe Gakuen Boys Choir Club be able to accomplish its reckless goal of winning the competition? A hot-blooded youth comedy filled with soulful choir songs!

Year 202X. Self-driving electric cars have replaced internal combustion engine-based cars, becoming ubiquitous in Japan. However, a racing circuit known as MFG, which employs traditional internal combustion cars, is garnering popularity worldwide. Kanata Livington, a 19-year-old Japanese-British racer, comes to Japan after graduating from a top racing school in the United Kingdom to take part in MFG and find his missing father, Ken Katagiri. Kanata moves to the home of his late mother's friends—Mr. and Mrs. Saionji—and enters the race under his father's surname, borrowing a Toyota 86 from Ogata, the couple's family friend. Despite the overwhelming disadvantages in specs, Kanata makes it to the top 15 while racing top-tier supercars, demonstrating his phenomenal skills. Takumi Fujiwara, the legendary downhill and rally racer, turns out to be Kanata's trainer. MFG employees who are familiar with Fujiwara and former racers from the same generation begin to notice Kanata. A new whirlwind is about to set off at MFG.