Content from Korona World

In the turbulent last days of the Edo period, Kawai Tsugunosuke, a Japanese samurai serving the Makino clan of Nagaoka, dreamt of independence from the restraints of vassalship. Despite his progressive views and his desire for his estate to remain neutral during the Boshin Civil War, he was bound by loyalty and duty to the clan and was compelled to choose sides.

A woman was killed by a truck wheel, which flew off while the vehicle was in motion. As the freight company which owns the truck becomes the target of the public and the media’s wrath, Tokuro Akamatsu, the president of the freight company, realizes that a structural defect within the truck itself may have been to blame. A conspiracy of the wheel manufacturer's attempts to cover up a defective product is uncovered.

Yuri is a high school student in the present day. She isn't happy with her life at home or school. One day, she has an argument with her mother and runs away from home. Somehow, when Yuri later opens her eyes, she realizes that she is in the year 1945. She happens to meet Akira. He is a pilot for a kamikaze unit in the military.

Shunnosuke Katagiri is a samurai and a bookworm. He receives a mission to help a daimyo move. With the assistance of Genemon Takamura and Oran, Shunnosuke Katagiri carries out his mission.

Ranmaru is a 450-year-old vampire who works in a bathhouse. As a vampire he is particularly picky about his blood choices, his main goal being to drink the blood of an 18-year-old virgin. To do so, he has been watching 15-year-old Rihito, the son of the bathhouse owner who saved him from near death. Rihito must not lose his virginity before he turns 18 and Ranmaru does everything he can to prevent that. However, when Rihito starts to show interest in a classmate, Ranmaru's desperate fight to preserve the boys virginity begins.