Uh, I wanted to write this ever since I was reading HP.
Because the name Echo sounds really awful when translated into Chinese, I left it as Echo.
The whole thing is OOC. Canon buffs, nobody here. PLZ.
The entire timeline is twisted, seriously.
The plot will be changed a lot.
I'm only borrowing the HP setting, the wizard concept, Voldemort, and so on.
The new article is full of flowers~\(≧▽≦)/~ Come on, it seems that the male protagonist is a professor, he?