Koudai Matsuoka

Shiro Kaieda is appointed the captain of Japan's first nuclear submarine, jointly built by Japan and the United States in top secret. However, he and his 76 crew members go rogue in this story that delves into themes of nuclear war, international politics, and world peace.

Chief Kuroki tells the team that they will soon be meeting Beet Buster and his new Buddy Roid, but before any introduction can be made, the Soujikiloid attacks. Soon after Hiromu learns that the two new Go-Busters originated from Hyper Space, he challenges them to a duel, suspicious of their motives. This is a director's cut version of episodes 15 & 16 of the Tokumei Sentai Go-Busters TV series.

Sota Nishino is a good-looking high-school student. He meets Mai, who is his friend Yukihiro Nanase's younger sister. She is also a high-school student and somewhat naïve. Sota Nishino mutters to Yukihiro Nanase, "Your sister is cute." Mai overhears Sota's remark through the thin wall between her room and her brother's.

In the freezing northern seas, the Yamato nuclear submarine begins its deep underwater voyage to the tune of Mozart, heading for the United Nations headquarters in New York. In the Bering Strait between the US and Russia, another submarine approaches: an American nuclear submarine that overwhelmingly dwarfs the Yamato. Now, a battle commences among the cracking floes of the cold Arctic Ocean.

Takizawa Bakin, a popular Edo period author, begins to recount a story he is planning in front of his friend, the artist Katsushika Hokusai. The story is about eight warriors who, each carrying a jewel, gather together as if guided by fate and embark on a harsh journey to fight the curse of the Satomi family. Hokusai is drawn into the story that Bakin is telling, and visits Bakin on various occasions to hear the rest of the story, and a strange relationship between the two begins. The serialization becomes Bakin's life's work, with the idea of ​​"rewarding good and punishing evil in a world where evil is rampant," but after 28 years, as the story finally approaches its climax, Bakin begins to lose his sight. With the completion of the story in doubt, he receives an unexpected proposal from his daughter-in-law. Will the story ever be completed?

An island in Japan is the site for the dumped and the refuse. Nanakusa and Yu who were childhood and school friends meet on this island that is called Kaiden, a scary name that only refers to things not normal or earthly. The reunited friends strike a bargain and are soon involved in cases most would not dare be involved in or become entangled in.

Makoto, who lives in a port town, sees a TV broadcast where Go world champion Park mentions having a rival in Japan, sparking anticipation for a possible match with Sara in a major tournament. A TV director discovers that Makoto is their childhood friend and an online champion, and encourages him to compete despite his trauma with playing in person.