I was curious about that too! The title 'Head Over Heels' doesn't ring any bells as a famous true story adaptation, and after digging around, I couldn't find any articles or author's notes claiming it's based on real events. Most komiks of that nature are pure fiction, crafted for the romance and drama. The plot feels too perfectly structured—the love triangles, the dramatic misunderstandings, the conveniently timed career conflicts—it all reads like a designed narrative rather than the messy, unresolved cadence of real life.
That said, the emotions can feel incredibly real, which might be where the confusion comes from. The author has a knack for writing jealousy and pining in a way that hits close to home. I've seen threads where people swear a certain scene must have been drawn from life because it matched their own experience so precisely. But that's just a sign of good writing, not a biography. The characters, especially the female lead's struggle between passion and practicality, resonate because they're archetypes we recognize, not because they're historical figures.
In the end, I treat it as a beautifully executed fantasy. The appeal is in the escape, the satisfaction of a story where feelings are always intense and conflicts get neatly tied up. If it were a true story, I think we'd be reading a lot more about the boring parts in between the dramatic panels.