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.

Seeking to find purpose in her life, Hisone Amakasu enlists in the Japan Air Self-Defense Force (JASDF) and is stationed at Gifu Airbase. During a visit to a part of the base she did not know existed, she stumbles upon the JASDF's largest secret: the Organic Transformed Flyer (OTF), a dragon that has the ability to camouflage itself as an aircraft. After being swallowed up and spit out by the OTF, her commanding officers inform her that this encounter means that she has been chosen to be the next in a long line of Dragon Pilots. Together with her fellow pilot cadets and "Maso-tan," her own OTF, Hisone must overcome her insecurities in order to discover her true potential as a Dragon Pilot and unravel the secrets behind the OTFs.

Ever since the death of his father, the burden of supporting the family has fallen upon Tanjirou Kamado's shoulders. Though living impoverished on a remote mountain, the Kamado family are able to enjoy a relatively peaceful and happy life. One day, Tanjirou decides to go down to the local village to make a little money selling charcoal. On his way back, night falls, forcing Tanjirou to take shelter in the house of a strange man, who warns him of the existence of flesh-eating demons that lurk in the woods at night. When he finally arrives back home the next day, he is met with a horrifying sight—his whole family has been slaughtered. Worse still, the sole survivor is his sister Nezuko, who has been turned into a bloodthirsty demon. Consumed by rage and hatred, Tanjirou swears to avenge his family and stay by his only remaining sibling. Alongside the mysterious group calling themselves the Demon Slayer Corps, Tanjirou will do whatever it takes to slay the demons and protect the remnants of his beloved sister's humanity.

Reeling from his crushing defeat at the Grand Prix Finale, Yuuri Katsuki, once Japan's most promising figure skater, returns to his family home to assess his options for the future. At age 23, Yuuri's window for success in skating is closing rapidly, and his love of pork cutlets and aptitude for gaining weight are not helping either. However, Yuuri finds himself in the spotlight when a video of him performing a routine previously executed by five-time world champion, Victor Nikiforov, suddenly goes viral. In fact, Victor himself abruptly appears at Yuuri's house and offers to be his mentor. As one of his biggest fans, Yuuri eagerly accepts, kicking off his journey to make it back onto the world stage. But the competition is fierce, as the rising star from Russia, Yuri Plisetsky, is relentlessly determined to defeat Yuuri and win back Victor's tutelage.