Alixijie, a mudblood.
A mudblood who didn't know why he was sorted into Slytherin.
This is her story and the story of many people.
The world will not change because of love, no matter how much you wish it to.
The heroine turns black
In a word, the heroine will always have someone who loves her and can be with her. Although it may not be the one she loves the most, nor is it the one you think she is, but that's how the world is, isn't it?