Review Detail of ActuallyArgus in The Daily Grind.

Is there romance/harem

There is romance. Whether or not it counts as a "harem" depends on how you define that. Spoilers, if you want them : three of the characters do end up in a relationship together. And while that is a bit off the beaten path in terms of stable relationships, it's also not something I think of as a harem, if that makes sense? It's also not the main focus of the story; though that could be said about literally anything at this point.