Someone help me

A quick summary it’s about a brother and a sister they live together and the sister‘s ex-boyfriend comes over and spends time with the brother. The sister is incredibly rude and the brother has issues with their father. The brother and ex-boyfriend start a relationship. The brother draws and the ex boyfriend models. It’s a bunch of drama with the three of them. the brother and ex boyfriend move to another country. The sequel is about the both of them in the other country