Kaori Yuasa

横浜見物に訪れた剣心一行は、剣士・時雨滝魅に出会う。お互いに意気投合する剣心と時雨。ふたりは自分たちの間に過去の因縁があるとも知らず、親密になっていく。しかし、時雨の不穏な企みを剣心が察知したことにより、彼らは刃を交えることになってしまう。

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