It was Meiji 38 (1905), the Russo-Japanese War that had begun since the previous year was getting hard. In this severe circumstance, they reorganized the Raimu Squad. The members of the Raimu Squad were the girls. They were just like other ordinary girls who went to schools and yearned for love, except that they had Raimu. Inukai Tsuyoshiro was a young man who was newly chosen to be the leader of the squad. He was ambitious to fight for Japan. When the young man met the five girls, the new chapter of Raimu began. (Source: AnimeNfo)

In order to keep ocean peace, PKN was organized. It consisted of the state-of-the-art battle ships of various countries. However, they were raided during the foundation ceremony by the unidentified organization, USR, which plotted to conquer the world. They couldn’t be much for the submarine UX which was operated by Admiral Red of USR. But an old Japanese submarine, the 707 saved them, which was operated Captain Hayami at the risk of his life. One year later, succeeding to the 707, which had been ruined during the former fight, newly developed submarine, the 707 II, went for a sail. Among the crews, there were boys, such as Kenji, Goro, and Senta, who had been trainees. PKN formed a fleet led by the Great Guardian, which was the latest battle ship of the United States. However, the attacks of Submarine U were very server, and the fleet was defeated. Then, the 707 arrived. As soon as Red noticed the 707, he was glad to reunion with his rival and began to fight. Escaping from the submarine attack, they hid the 707 in the valley. But Red tried to destroy the valley in order to put the 707 into the torrents of mud. The 707 nearly escaped from it and got in the crater. However it was the pure water layer where the submarine couldn’t float up. At the moment, numerous torpedoes launched to the 707. (Source: AnimeNfo)

Jim is working as an innkeeper, together with his friend, the mouse Gran. One day, a mysterious man visits the inn, leaving a map behind. The map shows an island with a treasure. So the duo sets off in their own little boat, trying to fulfil their dreams and leaving the inn far behind. But it seems more people knows of the map, as they cross paths with Captain Silver and his band of wild pirates. Jim, Gran and their new friend Kathy tries to beat them in the treasure hunt that ensues. (Source ANN)

In 2099, Earth has shifted off its axis and begins to rotate at an angle of 90% to the 20th-century equator. Three years of natural disasters follows, and when things settle down, Earth's ten billion population has died and only two million moon colonists remain. Some return to begin the repopulation of the world in seven new cities and the remaining colonists of the moon fear that their former neighbors might pose a threat and construct a ring of defensive satellites to trap them on the newly repopulated homeworld. (Source: AniDB)