On the 37th year of the Meiji era (1904) is rapidly gaining force Japan to expand its sphere of influence in China,faced with the Russian presence. Before the disaster of Hiroshima was still far away, and the Japanese onslaught seemed no barriers. Suddenly attacked the Russian troops, the Japanese inflicted a series of defeats and they laid siege to Port Arthur (Lushun), the main base of the Russian Pacific Fleet. Japan was important to take the fortress until the arrival of Russian ships from the Baltic Sea.Then historical tragedy is replaced anime farce, where the Russian army is represented by demonic power, holding in Port Arthur using magic robots Rhyme (lime) - phantoms, created in the time of need the energy concentration of the gifted people who can manage these Rhyme at a distance.To counter the enemy phantoms, in the wilderness of the northern island of Hokkaido on board the battleship " Amanohara " created a training squad of Rhyme (who would have thought!) Of five incredibly alluring women. One of their teachers is the former diplomat Humacao Shintaro, who worked for several years in Russia.This modest and shy young man into force tragic circumstances forced to take over the leadership of the detachment. During the transition, " Amanohary " from Japan to Port Arthur Humacao - sensei will make girls the ultimate weapon and do not succumb to that of sexuality, which emit their young bodies.Based on a eroge company ELF Corporation.