Characters openly acknowledge and comment on reverse-harem tropes as they happen, avoiding a purely straight-faced genre entry.
Individual character backstories are taken seriously enough to give the eventual romance genuine weight.
Primarily a comedy that satirizes reverse-harem romance conventions while still delivering genuine romantic stakes by the story's end.
It's generally considered to have aged better than most contemporaries specifically because of its genre self-awareness, which keeps it from reading as a dated straight genre entry.