@haruru1997
i am pretty sure that you may have already gotten the answer for your question but i will still be posting my reply as others who may have the same question will find the answer
the fulobring arc ends at 479th chapter(end of anime) and 480 is the chapter from where the last arc begins
how heavy is the romance part in the manga
i wanna start it but i rlly hope that there might be some progress even if it is like very less(sorry if the comment is grammatically wrong)