My Assassin Bodyguard

You grew up as a part of the Time Vessel Association. One day, your friend goes against the group and is killed, making you realize how insane the Association actually is. They never cared, and never will. You want out of it, so you decide to leave everything behind and run away. Little do you know, they send a famous assassin after you. Can you make it out alive and maybe seduce the infamous Toji Fushiguro along the way?