U wa Uchuu Yabai no U!
ウは宇宙ヤバイのウ！
A high school student encounters a meteor on her journey home, which results in the extinction of the human race. Upon regaining consciousness, she finds herself transported back three days before the event. Her cousin provides her with urgent information about the impending disaster, revealing that she is not an ordinary student but an operative of an interstellar intelligence agency.
