25 years ago, the Nagiri Brothers—once feared nationwide—lost their family’s backbone when their father, Tsuyoshi Nagiri (played by Kim Sunjin), was suddenly assassinated. “Even as yakuza, we never strayed from the path of humanity. Everyone in the Nagiri family is our comrade,” were the words their father left behind. Carrying on his will, the second son, Kaname Nagiri (Choi Chul-ho), took over the Nagiri-gumi. However, just as the ex-Nagiri member-turned-politician Masashi Fukuzawa (Koichi Miura) is preparing for an election, and Danba Takeshi (Daisuke Nagakura), head of the Tanba-gumi under the same Doushinkai syndicate, is released from prison, a violent incident breaks out—triggered by the drug trade. When their youngest brother Minato (Seiji Fukushi), a respected figure in Osaka, falls into danger, the eldest, Shun Nagiri (Yoshiyuki Yamaguchi), steps in to save him. The brothers reunite and head to Kaname’s side—just as he’s about to clash with their former allies…
Serial killer Shinju Shinagawa , called "Shinagawa Pierrot" for her clown makeup at arrest 3 years ago, remained silent during her first trial. Child consultation center worker Arata Natsume suddenly gets a request from Takuto Yamashita, the child of one of the serial killer's victims, who informs him that he's been corresponding with Shinagawa in his name in order to find out what she did with his father's missing head. Arata pretends to be an elite civil servant but finds that the Shinagawa he meets is different from the one he expected. When she realizes he isn't the sender of the letters, she goes to leave. In a panic, Arata, who never planned on getting married, blurts out "Let's get married!"
Akira Minato, a middle-aged coin laundry owner, befriends Shintarō Katsuki, a high schooler. Their bond deepens as Shintarō learns about Akira's identity.
Fukumi is a high school janitor whose father was a gangster. He works at the school as a janitor instead of belonging to the gang so he can watch out for Yui, the daughter of his deceased father's brother Majima Yoshiki. One day, a gang feud erupts. Yoshiki is killed and Yui becomes the next target.
A mysterious man called Es/Kamen Rider Eden has emerged, committing simultaneous acts of terror across the world, with thousands of believers following his faith. While the people fall one by one and the world delves into chaos, Aruto Hiden stands up to stop him. Isamu Fuwa, Yaiba Yuia, Gai Amatsu, plus Jin and Horobi of MetsubouJinrai.net also transform into Kamen Riders and fight against the enemy while struggling to seek the truth.
Seiji Fukushi is a Japanese actor represented by Owlm. He was a member of Imai Office until 31 March 2015 Fukushi's first terrestrial drama was on the NHK drama Otokomae! which also ran a sequel. In December 2008, he, along with Koichi Otake, Takumi Saito, and Kazuki Namioka, formed the theater unit Run. It was announced on 1 April 2015 that Fukushi, with Tetsu Watanabe and Masaki Sawai, moved to Owlm.