Alright, figuring out where to shelve Tere Liye's work is a fun debate because he kinda sprawls across the shelf. Calling him strictly one genre doesn't really hold up. He's primarily known for YA romance and fantasy, but with a very distinct local flavor that almost makes it its own category.
His 'Hujan' is a classic example—post-apocalyptic setting, heavy on the emotional drama between the two leads, blending sci-fi-lite with a core romance narrative. It's not hard sci-fi by any stretch; the world-building serves the relationship. Same with his 'Pulang' and 'Pergi' duology, which has this magical realism thread running through a family saga. It's contemporary but with a touch of the fantastical that feels very Indonesian in its texture.
Where he really digs in, though, is in his massive serial 'Bumi' and the rest of that 'Tentang Kita' series. That's straight-up portal fantasy for a younger audience, following a group of kids with elemental powers across dimensions. But even there, the focus remains tightly on friendship, loyalty, and coming-of-age themes. So, fantasy-adventure vehicle, YA heart. You could argue he's less about adhering to genre conventions and more about using whatever backdrop—apocalypse, magic realms, contemporary Jakarta—to explore really intense, often angsty, character connections. His genre is basically emotional epic, whatever the setting.