A messed up angel

Dying isn't a pretty thing but giving a chance to live again as an angel until a certain time. What would someone do they would be happy they would go see their loved ones but if you don't even have any memories of your previous life meeting a mysterious person who gave you an new life and a task to complete but you having no emotions and not understanding the world is going to make things a little bit complicated. You stay with a new family having a mother and a father and two brothers can seem like the perfect family to help you gain what you lost. But the only person who seems to know you are an angel is your mother because she is a half angel. New feeling are steering within you and you don't know what it is. Fate is going to choose who you are going to be if a dark angel or not. Also you are not able to meet a dark angel because that will through off the process of fate so why is a mysterious dark angel try so hard to get close to you and on top if that he is pretending to be human.