Not the only one

You've been seeking revenge ever since your clan has been massacred by the phantom troupe. You trained yourself to be a assassin. You're consider one of the best coming in second after Illumi Zodlyck. Respected by many but what they dont knows is your part of a clan. Chrollo is your main target. You despise the man. Recently he has hired you to do his dirty work. You agreed. This was an advantage for you. A step closer of reaching your goal. Killing Chrollo.

What you didn't expect was someone else to step on the way.