The day of your weeding, 5 years ago, you were attacked by a criminal group leaded by your ex boyfriend and you ended up in coma.

You are an assassin who’s looking for revenge after all those years, and you’re finally going to archive it. “You mean you’re actually going to kill me?” Osamu Dazai, your target and ex boyfriend asked you with a cheeky smile as you aimed your katana to his neck.