Mark Grayson is a normal teenager except for the fact that his father is the most powerful superhero on the planet. Shortly after his seventeenth birthday, Mark begins to develop powers of his own and enters into his father's tutelage.

Takeshi Hongo is a promising young man with a passion for motorcycle racing. However, his dreams are suddenly ruined when he gets kidnapped by Shocker, the evil secret organization planning to dominate the world. After being remodeled into a cyborg, Takeshi escapes and swears to protect the world from the inhuman monsters.

Decades after her party defeated the Demon King, an old friend's funeral launches the elf wizard Frieren on a journey of self-discovery.

Italy is in a deep depression, so to support her family, Marco's mother goes to Argentina to work as a domestic. But after she writes to her family that she is sick, her letters stop coming. So Marco decides to go to Argentina to look for her. He travels across Argentina to find her, meeting many wonderful people, and having many adventures during his journey.

Detective Ukyo Sugishita confronts crime on the basis of his own convictions. He has a partner that works for him in the Special Task Unit. For the first 7 seasons, Ukyo’s first partner is Kaoru Kameyama. He is a good-natured, hot-tempered, straightforward and somewhat scattered detective. Beginning in Season 8, Takeru Kanbe replaces Kameyama. Contrary to his predecessor, Takeru is a lanky, cool, conceited and confident detective. From Season 11 to Season 13, Ukyo’s partner is a young detective Toru Kai. Toru is a son of Deputy Director-General of The National Police Agency. But he became a detective by his own effort. And starting with Season 14, Ukyo’s current partner is Wataru Kaburagi, an elite bureaucrat who came to the Metropolitan Police Department on temporary assignment. As the first partner without any career of a police officer, he will face challenging cases together with Ukyo.