Anima and Animus were the sole survivors of a space shuttle accident in the distant future, but their secret leads to the battle over Earth's destruction, and after many years Anima finally meets the young Yuuhi and Samidare.
Yuu-kun.
يو-كن
Yuu-kun.
A Yuu.
A Yuu.
Yu!
O Yuu-kun.
С Ю!