Hayato Isomura

The day before Tomoki’s wedding day, he is falsely accused of sexual harassment. Due to the false accusation, he loses his job and his fiance leaves him. Tomoki decides to kill himself. While standing on the ledge of a rooftop building, he sees a woman running toward him and screaming. She is attacked by a man with a knife. Tomoki becomes involved and gets stabbed by the man, but it turns out the attack was a staged event and Tomoki was not really stabbed. Tomoki learns that the staged event is called "enijya," which takes place upon a client's request. This is the first time he hears of eniya. Tomoki decides to hire Aika to take revenge on people who falsely accused him of sexual harassment.

Shogo Kai is a lawyer at one of the big 4 law firms in Japan. He is good at his job, but he is arrogant. Shogo Kai only thinks about winning and he thinks the only way to satisfy his clients is to win. He is getting close to becoming a senior partner at the law firm. Shogo Kai's boss worries about his focus on winning above all else. As a condition of his promotion at the law firm, his boss asks him to hire a young lawyer as an associate. Shogo Kai interviews prospective young lawyers and meets Daiki Suzuki. Daiki Suzuki has high intelligence and his memory ability is amazing.

Tetsu Himokura is a parasitologist. He enjoys researching the lives of parasites at his home laboratory and he barely leaves his home. He also has assistant Haruma Takaie to help him. Tetsu Himokura's right hand is a robotic prosthetic hand. He is very smart, but blunt to others.

Shūichirō Kiriyama works at the Limitation Task Force, the place where the cases which have reached the statute of limitations are destroyed. Getting bored of his job, he decides to find a hobby, because it seems important to him to have a hobby. So he decides to puzzle out the unsolved cases on his free time, helped by his coworker Mikazuki, who seems to have a crush on him.

An unemployed man learns that his ex-girlfriend was murdered. He suddenly finds himself travelling through time to his middle school years and has chance to change the future and save the girl. He aims to rise to the top of the most brutal delinquent gang.

After going to extremes to cover up an accident, a corrupt cop's life spirals out of control when he starts receiving threats from a mysterious witness.