Shy Chise and nervous Shuji are high school seniors in a small town. They have just started dating. But everything changes when Shuji discovers that Chise has been engineered by the Japanese Self Defense Force into the Ultimate Weapon!

What do you do when the girl you love becomes a weapon of mass destruction?

Saikano (Saishuuheiki Kanojo, She - The Ultimate Weapon) originally aired in 2002.