Deputy Officer of the United Nations Alliance, Simon Marcus, who aims to conquer the world with the terrorist organization Downfall along with the mad scientist Keiji Uraga, attack the Kamen Riders with overwhelming strength. It is only on Kamen Rider Grease that the enemy's abilities did not work. In order to defeat this new enemy and rescue Misora, Kazumi Sawatari must create a new item ... but it is told that it requires the life of his friends, the Three Crows. The ultimate decision must be made.

Ichijo Zentaro, an inspector who is a trend junkie and loves to use out-of-fashion vocabulary used by high school girls, works together with Yuki Maria, a sharp-tongued inspector who has built up a stellar career at the MPD's first division, to solve a serial murder case.

A woman was killed by a truck wheel, which flew off while the vehicle was in motion. As the freight company which owns the truck becomes the target of the public and the media’s wrath, Tokuro Akamatsu, the president of the freight company, realizes that a structural defect within the truck itself may have been to blame. A conspiracy of the wheel manufacturer's attempts to cover up a defective product is uncovered.

The drama is set on the Twilight Express, Japan's longest overnight train service, which runs approximately 22 hours between Osaka and Sapporo. Nakayama and Sato play Chie and Keisuke, two lovers who have decided to part ways at the end of the journey. Chie already has a family but has been carrying on a passionate, secret affair with Keisuke. The story mainly takes place in their suite room on the train. The drama was filmed aboard the actual Twilight Express with cooperation from the JR West company, which operates the train service.

After the end of the civil war that tore apart Japan, the new governors of Touto, Hokuto and Seito work together to reunify the country. However, they are actually members of an extraterrestrial race called the "Blood Tribe" (the same species as Evolto), who assumed their government positions as part of a plan to destroy Earth as they have done to Mars and other planets before. Considering Sento Kiryū (Kamen Rider Build) a major threat to their plans, the Blood Tribe manipulates his friends and other civilians into attacking him. With even his close ally Ryūga Banjō (Kamen Rider Cross-Z) now against him, Sento must fight to survive and stop the Blood Tribe's plan from succeeding.

The two most famous Japanese mystery characters have come together to solve a crime. A year ago, a man was trying to commit suicide by jumping off a police station building. He was rescued by two men who happened to be the well known Akechi Kogoro and Kosuke Kindaichi. The famous duo were asked to be witnesses and provide information for the police record. From the surface, it was a simple case of suicide. However, soon after the incident, the police lieutenant committed suicide in his office. Slowly from the gathered evidence, the two most unlikely cases are being linked.