Aqua Pixie Kakasha

When Tilly befriends an ugly and feared old woman in her village, she is surprised to discover that she is really an aqua pixie! Faithfully waiting for rain to come and restore her lake, aqua pixie Kakasha has been in hiding for many years. Can Tilly help her find her way back home or will Kakasha give up on Lake Pululu and become a real human?