Pokemon Sun and Pokemon Moon take place in the Alola region, which centres around four tropical islands and one artificial island. Many Pokemon that have never been seen before inhabit the lush islands of the Alola region. Professor Kukui is the Alola regions Pokemon professor. Sporting a white lab coat, Professor Kukui has his own unique style. Lillie is a mysterious girl who assists the professor. This young girl is about the same age as the players character and is Professor Kukuis assistant. Lillie will play an important role in the story of Pokemon Sun and Pokemon Moon. Hau is a Pokemon-loving young boy with a big appetite. He is the same age as the players character. Hau becomes one of the main characters first friends. In Pokemon Sun and Pokemon Moon, Professor Kukui provides a special Pokdex known as the Rotom Pokdex. The Rotom Pokdex does much more than record Pokemon info it has its own personality. Besides showing the players current location and their next destination, the Rotom Pokdex also provides advice on where to go next. Three new first-partner Pokemon will join Trainers on their adventures in the upcoming Pokemon Sun and Pokemon Moon games: Rowlet. Litten. Popplio. The two legendary Pokemon that appear on the packaging of Pokemon Sun and Pokemon Moon play a crucial role in the story: Solgaleo. Lunala.