One day an evil mark appears on Magami Yuuji's right arm. To protect the earth from the ancient, world-destroying evil which is honing in on it, the governments send assassins after Yuuji. To protect eight precious girls, and on advice from his Master Tiger Joe, he decides to fight - against the entire world, if necessary.

One day an evil mark appears on Magami Yuuji's right arm. To protect the earth from the ancient, world-destroying evil which is honing in on it, the governments send assassins after Yuuji. To protect eight precious girls, and on advice from his Master Tiger Joe, he decides to fight - against the entire world, if necessary.