University student Sugishita Nozomi, Naruse Shinji, Ando Nozomi and Nishizaki Masato end up coming upon the scene of the murder of the Noguchi couple, because of a plan they had devised. Nishizaki is arrested at the scene and is given a 10-year prison term because of his voluntary confession. 10 years later, Takano Shigeru, a former police officer who has misgivings about the verdict of this case, starts to pursue the truth. He is convinced that it all began as a result of an incident caused by Nozomi and Naruse on an island in the Seto Inland Sea in the summer 15 years. “They committed a crime at that time. It was for the sake of each N.”

Who is the killer? Who stole the $10 million? The doubts, lies, suspicion, and betrayal are unstoppable as one detective launches an evil mutiny in this unconventional police mystery drama where nothing goes as you predicted.

The story of Saeki Kentaro, who continues to fail the National Bar Examinations and lose sight of the goal of his life, and his old sister Keiko, who is a freelance writer looking up their grandfather Miyabe who died in the Pacific War as a Kamikaze pilot. Miyabe had an astute ability as a pilot of fighter planes, but he was extraordinarily afraid of death. His two grandchildren started wondering why he applied for the Kamikaze corps. Revealing Miyabe’s unexpected title of “genius yet coward”, they unveil a surprising fact which has been sealed for over 60 years.

A private high school by the sea... All of the senior students devote themselves only to their studies for college entrance exams from the end of the summer. One day, an unconventional teacher gets posted at this high academia-oriented school. His name is Sakurai Sakutaro. His background is a mystery. Nobody gets what he's talking about. He's pushy and bold. The students are reluctant to open up to him who sticks his nose into their private affairs. But Sakutaro keep trying to help them overcome their problems He also encourages and guides them, and they eventually develop a bond of trust. "Live in the moment which exists only now"... His message gradually gets through to his students.

Hanzawa Naoki works as a loan manager at the Osaka Nishi branch of Tokyo Central Bank. One day, Hanzawa makes a loan contract for 500 million yen with Nishi Osaka Steel Company. Hanzawa didn't want to approve the loan, but he had to due to the branch manager's order. Nishi Osaka Steel Company seems financially stable, but the company actually hides massive amounts of debt through fraudulent accounts. The company is caught. Three months later, Nishi Osaka Steel Company goes bankrupt. The bank's branch manager is Asano. He is an ambitious man and tries to shift the blame to Hanzawa. Hanzawa then attends an inquiry about the loan failure at the bank's headquarters in Tokyo. Hanzawa denies fault and promises to retrieve the 500 million yen loan. He did this because it's the only way for Hanzawa to survive as a banker.

Two transfer students, Takashi Mitsuhashi and Shinji Itō, tired of their boring normal life and unpopularity, decide to take their arrival at a new school as an opportunity to reinvent their image, and become delinquents. The duo set out on various misadventures to become the greatest delinquents in all Japan!