Paradox

Sai was a cold hearted murderer of the Foundation, until one failed mission. With men now following his every move thanks to Danzo, his boss, he falls into the future. Where he meets a mysterious man, although Sai has trouble trusting the man at first, he learns that the only way he's going to make it alive in the future is by trusting this man who holds just as much secrets as him. And when they find out that the Foundation of the past has joined Sai in the future even more trouble stirs up, and secrets are revealed, follow Sai in his adventure to unknown places and people's hearts.