Enomoto Kei is a security "otaku" working for a security firm, devoted to improving the securities system on a daily basis. He is not an easy person to familiarize oneself with, always collected and calm, unapproachable, a maniac in Physics, Science, Architecture and profound in other basic theoretical foundation. He is certain and proud of the fact that there is no key which he cannot unlock. One day, Kei is asked to help reveal a mystery behind a locked room murderer. While he lacks any interest in solving the mystery, he is inevitably intrigued by the term, "Closed Doors" and decides to take on the position. He works side by side with Aoto Junko and Serizawa Gou, who are lawyers working at a major law firm. Junko is pure and forward, acting upon her instincts while Serizawa is a prideful elitist who sees time as money, and therefore, will not take on any job that is unprofitable. Possessing a vast amount of knowledge and acute insightfulness, Kei is able to unlock the closed doors and unravel the secrets leading to the solution. Never before has there been a drama focused solely on closed doors.

At the height of his career and powers, Japan's master fixer, who has guided politicians and business heads through some of Japan's biggest scandals, discovers that fixing his family is harder than fixing a country.

Taro Yamada is a scholarship student at Ichinomiya High School. He’s smart, athletic, and handsome—so everyone assumes he’s wealthy. In reality, he lives in poverty with his mother and six younger siblings in one small room, and his father Kazuo is an absent wandering artist. Taro works part-time to support the family. Together with his best friend Takuya Mimura and classmates, Taro navigates comedic and touching moments. Through friendship, romance, and family bonds, the series asks what true happiness really means. It’s a heartwarming coming-of-age story.

To exact revenge, the Liar Game office is revived. The target is only one person: Shin'ichi Akiyama. Because of new heroine Shinomiya, Shin'ichi, who kept refusing to take part in the game, finds himself in the game. Along with Akiyama, there's 19 other players competing for the prize of two billion yen. Omega, who revived the game, plays the game at the Liar Game office with Alice. Alice sets up the game, chooses the players, and sets the traps.

Ken directs his graduation film "Koko ni Iru Dake" with his colleagues. The movie will be his last film as a student. While shooting the movie, Ken has conflicts with lead actress Risa. On the last day of their filming, their final scene is delayed due to rain. The day before filming resumes, Risa dies in an accident. One year later, Ken's graduation film sits unfinished. Then, Kenspots a woman who looks identical to Risa who turns out to be her twin sister Yoko. Ken then decides to shoot the final scene with Yoko in place of Risa, but, once again, things don't go according to plan.

Mike is just an ordinary young man, who temporarily works for an art college examination coaching school. His girlfriend Yu works for a film production, and they live together in a tiny apartment in Tokyo. Their life looks absolutely normal without any problems before Mike's unexpected words emerge. One day, the young couple's relationship gets changed and developed in unexpected ways.

Mika, who grew up in an orphanage, having been abandoned soon after birth, begins to look for her mother Naoko. Finding Naoko living happily with her husband and teenage daughter Ayano, she continues to watch from afar...