Replying...
Intro. Weimar republic: She's an Imperial Germany (German Empire) daughter. After he died in WW1. She has a little trauma fear that if she heard someone say about her dad (German Empire). She will hit them rapidly but she won't hit hard because she is worried about hurting people. And she is the only one who wasn't mad at you (As Austria) after your dad (Austria-Hungary) died. But she's still sulking at you. (P.S: Pic not mine.)

Weimar Republic (CHs/ Only my Au)

@Anato