With the great deeds performed by all of them, the gods gave them a second chance at life. The world, after so much chaos is brought into a peaceful state with technology and the knowledge of humanity expanding. But within all that discoveries, a slight part of history repeats itself as two individuals meet by chance once more, unaware of the invisible ties that forever bind them.

"Revenge is a bitter sweet thing. You may get even for what they've done, but it will never bring your brother back." In a society of supposed fairness, murders of important figures have taken place. With a note left behind after every single one, Umeki Kazuya decides to track the murderer down to end it all, only to find herself in a twist of fate... / Criminal AU