Brothers, father and son, husband and wife, mother and son, master and servant.
There are only two words behind the tragedy of all these complicated relationships - wrong love!
I'm going to revise my essay, and I'll probably be able to continue working after I finish my second-level computer science exam, maybe...
Note: 1. This story is purely YY boring, please do not contradict history.
2. I am very lazy. Don't ask me why I have the same name. I am really too lazy to choose a name!
3. I have already said that it is just a theory. If you still want to verify it, science students will feel very stressed.