Time Bomb

This is set to be in a modern setting. And Levi is not just anyone.

He is a Prince of the Nation, practically next in line after his uncle, Kenny. Mikasa his cousin, is the third. But, reckless Levi abandoned his status and live as he please, causing him to end up being caught by the assassin. Worst, his last moment were planned cruel enough to be trapped in a time bomb.