Nightrunner's butterfly [Nino Nakano x Male reader]

There is no such thing as too many Nino fanfics, don't you agree? I read a few of these and I have to say, it left me craving for more. So here I am, taking my own spin at the series. Before we take off however, there is the casual buisness we have to get through. I do not own Quintessential quintuplets. I am not a na...