Kaori Yuasa

The war against the Tokugawa Shogunate ended years ago. But there are some who are not happy with the outcome. Shigure Takimi watched his friends and family get slashed down in the name of freedom and prosperity. Now he and a band of desparate rebels have sworn to settle one final score. Only one man stands in their way: Rurouni Kenshin. Will the former assassin take up his sword to fight again? When Shigure discovers Kenshin's true identity and his fight becomes a personal vendetta, the young hero will have no choice.

At the end of World War II, a top-secret Japanese submarine and an American submarine have a fatal encounter and both are lost. Fifty years later the descendants of the submarines' officers are sent by the United Nations in a new secret submarine to investigate mysterious incidents in the Antarctics that could be linked to the old submarines' disappearances, and could also be the precursor to an invasion by aliens from deep inside the Earth

Yuuko, a shy girl in Middle School, has feelings for her friend who lives next door. But then she finds out her best friend also likes him too.