
There is an ancient prophecy shared amongst the kingdoms of Chikyu- 2,000 years after their fall, the Territorial Empire Bugnarok will once again rise up to kill all humans. However, five kings and their guardian deity, King-Ohger, will stand up to face them. This is the story of kings who will defend Chikyu, as well as a coming-of-age story for one young man who will achieve kingship henceforth.

After a civilian factory manager of a fishery is gunned down, Himuro (Motomiya Yasukaze) and Tamura (Yamaguchi Yoshiyuki) are tasked to investigate the strange circumstances by the Kyowa Clan Chairman (Ozawa Hitoshi) and are sent to Hokkaido. The pair and their Yamazaki Ichimon men travel around the Hokkaido with the help of the factory manager's estranged son, Hiroshi (Kuriyama Wataru), unearthing a series of leads involving old Cold War regrets and international crime, all while repairing broken families ...

Tang Ren and Qin Feng travel to Japan to investigate the death of a mafia head. As they suspect foul play, they engage in a battle of wits against foreign detectives.

When a mafia leader is killed, his son and the deadliest assassin in the mafia compete in order to be the new leader.

In the afternoon, Himuro (Yasukaze Motomiya) and the others enjoy coffee brewed by Tora (Miyabi Koteyama). While discussing the taste of coffee with Tamura (Yoshiyuki Yamaguchi) and Hasegawa (Daisuke Ohyama), Joji (Takashi Kitadai) starts reminiscing about the time he joined the gang.

While transporting 200 million yen, the tigers are attacked by someone, and the ownership of the land falls into the hands of the land master, Dave Uchino. Himuro and Tamura suspect that Iwao of the Sakoda group is involved, so they investigate Okita of the Marukamikai. In order to keep his promise to Himuro, Chairman Mita instructs him to return ownership of the land, but...

Himuro, who promoted Kawakami, the fourth Yamazaki-gumi advisor, to direct advisor to the Kyowa-kai, solidifies his intention to exchange sake as the Fujishiro-gumi's spiritual representative. Meanwhile, Himuro heads to Toryukai in Ibaraki to find out that the land being redeveloped by Hirokawa Kanko, which is affiliated with Itonaka Construction, is being handed over to a company affiliated with Marukami-kai.

The body of Kikumura, the attacker who was supposed to have been killed by Himuro, Tamura, and Kawatani, has disappeared. Himuro and his friends learn from arms dealer Jimmy Ogata that the guns the attackers had were made in China, and they suspect that there are remnants of the semi-grey group "Cobra." Then, he ends up looking for Kikumura, who was supposed to be dead...

The leaders of the Kyowakai are surprised that Baba, the leader of the disciples, is still alive. After being discharged from the hospital, Baba immediately attends an executive meeting and asks Tani to stop retaliating against the Michinoku family for attacking the plants. Himuro and Tamura go to the house of Miyomatsu Kasuga, the head of the Michinoku family, but Kasuga's stubborn behavior does not subside...

Himuro and Tamura put an end to the suffering of Munakata, the leader of the Fujishiro-gumi of the Marukami-kai, and expanded the Kyowa-kai to the Kanto region, but soon after, they receive news of Munakata's suicide. When Himuro saw the suicide note, he became suspicious and concluded that it was the work of Tsurumi of the Marukami-kai, who was the first to discover it. The conflict between Himuro and Tsurumi becomes even more intense.

Obuchi, the young leader of Gasonkai, a group affiliated with Marukamikai, was found dead at Kaga Onsen in Hokuriku. As a result, Kikumura was kicked out of the Marukami-kai and ordered to be isolated, and this information also reached the ears of Himuro and Tamura of the Kyowa-kai. Sensing that his life is in danger, Kaifu, the president of the Gasonkai, consults with Kamiyama, an executive of the Kyowakai, but...

Himuro and his friends are criticized by Hirono-gumi members, but they barely escape. Hirono's aim is to start a conflict between Himuro and Nakamori, and then take the sake cup from Sakoda. Himuro and his friends notice Hirono's plan, but follow the plan and send a message to Nakamori.

Tatsumi of the Marukami-kai is isolated from the Marukami-kai and is chased away by the Kyowa-kai and the Marukami-kai. Himuro invites Tatsumi and his friends to Nagoya and attempts to settle the matter, but ends in failure. Tatsumi escapes and gets the civilians involved, and as the situation worsens, Himuro tries to set a trap for Tatsumi and his friends.

Himuro and Tamura confront Kenichi Uchida, an elder from Onomichi, regarding a case involving Ezaki, vice president of the West Japan Mutsumikai. After a discussion, Ezaki himself attempts to apologize directly, but is assassinated by Saito, who has just been released from prison, and Minamida of the Okamura group. Himuro and Tamura feel responsible and try to take the blame, but...

Hiroki Saito, chairman of the Ryuseikai and an ally of Himuro and his friends since their days in Yokohama, has been released from Hiroshima Prison after a long prison sentence. Saito tries to make amends for his time in prison by volunteering to be the commanding officer of a special attack team that is heading to Tokyo, but Himuro and his friends stop him from doing so. Meanwhile, Saito's obscene friends start a fight...