夢は夢だったということだけれど、戦いがはじまった早々となりで死なれたら寝ざめが悪い (novel: All You Need Is Kill)
I understand that the sentence means something along the lines of : "dream it was however if he died at the start of the battle it will leave a bitter taste in my mouse ."
What does なりで add here? Why is it not just 早々と ?