Asuka is still reeling from the void left by her older brother, Kyo's, death. Wracked with guilt, she tries many ways to atone.

One day, Asuka sees news of an asteroid large enough to rival the ones that decimated the dinosaurs is on its way, she gets an idea. She decides that since she only has one more chance to make up for her the loss of her brother, she will spend that time doing something for him. After finding his bucket list she dedicates the rest of her time on Earth to completing it in his stead.
The list starts off small, but ends up becoming a little too much for her to handle, but what has she got to lose? As the world descends into chaos, Asuka does all she can to make it up to her brother before the has to face him in the next world. Can she finish the list before time runs out?

{trigger warning for suicide attempt in the prologue}