Rekihiko Tokiya is an excellent detective in Kyoto. While he chases a suspect, Rekihiko Tokiya falls into a water storage pool at an abandoned factory. He wakes up in a hospital room. Rekihiko Tokiya is stunned that he cannot remember anything from the past 20 years. He is 51-years-old, but he cannot remember anything from the age of 31 when he started work as a detective. He is a divorcee, but he has does not remember his ex-wife.

Amagi Yu is a slightly eccentric detective who has been assigned to the Twelfth Section of the Tokyo Metropolitan Police Department’s First Investigative Division from the Lost and Found Centre. The Twelfth Section is called the “graveyard of detectives” and ridiculed as the “banishment room where hardened detectives who cannot be fired are sent”. Its assembled detectives Samura Kosuke, Yamashita Takumi, Nagasawa Keita, Mizutani Tamaki and Katagiri Masatoshi are elite and yet oddballs. Amagi appears fixated with time which seems to have no relation with a case. Raising questions about the timelines of the perpetrator and victim derived from the estimated time of death, time of crime, time of alibi and time limit, he searches for the meaning of “blank time” which arises from this. He obsesses over the weight of every minute and second of time because of some incident.

An academic and cynical sophisticated detective drama that can teach you about Adlerian psychology. Ranko Ando is a single female detective with no boyfriend. She is an ace who has taken the lead in solving many difficult cases at the young age of 32. However, she's also a lone wolf who doesn't listen to the opinions of those around her, and always does what she believes to be right. However, Ranko is partnered with Toshio Aoyama, who has just gotten his wish of being transferred to the 1st Investigation Department. Toshio is the polar opposite of Ranko, and tends to be too concerned about what others think. This makes him harshly oppose the way she thinks. But as he works with her, he learns Adlerian psychology and develops one step at a time. This daring detective drama is a live-action adaptation of the Asian bestseller, "The Courage to Be Hated". Through the life of Ranko Ando, "The World's Most Hated Female Detective", this drama questions the necessity of "The courage to be free and happy".

Gosei School has a long history. The principal of the school is highly ambitious and he tries to achieve his goals by using supernatural majin powers. Six students go up against the principal. The students are Taisei Manaka (Taisho Iwasaki), Ryuhei Domon (Ryuga Sato), Yusuke Takigawa (Yuto Nasu), Hyuma Oura (Hidaka Ukisho), Naoya Morimura (Naoki Fujii) and Ichika Sakurai (Issei Kanasashi).

Yuichi Katagiri, a high school student, is abducted with four of his friends and forced to participate in a "Friends Game" to pay off a debt he was suddenly saddled with. The game is supposed to be easy to beat as long as you have friendship, but for some reason Yuichi and his friends are unable to beat the game. They suspect the existence of a traitor, and their friendship gradually begins to crumble. The ultimate mind game show is about to begin!

Ippei Ohmori, "the worst man in Japan" who hates his family and children, and aspires to become a politician. While trying to improve his image to win the election, Ippei gradually comes to face his family problems and eventually stands up to change society as well.

Hashiba Takeru is the leader of Global Operation Service (GOS), a secret spy organization housed within the Public Security Investigation Bureau which is tasked with eradicating criminals who are targeting Japan for various reasons.