I should also think about the moral or message of the story. Maybe it's about unity, overcoming prejudice, or the importance of tradition and innovation.
Need to ensure characters are well-developed, with motivations and growth. Kumari might start as someone who follows rules but learns to question them, and Hadu might have hidden depths revealed through their journey. Kumari Bambasara Hadu Da Sinhala
Incorporate Sinhala elements: festivals like Esala Perahera, Kandy Perahera, traditional dance, use of Sinhala terms appropriately (like referring to the village as Bambasara with a temple or sacred tree). Maybe include a local legend or deity they interact with. I should also think about the moral or message of the story