The only way to enter is to go on a boat ride with Mikazuki. She guards the palace, knows everyone one. She takes you through the water fall, which inside is a cave. At the end of the cave is a golden gate. Mikazuki chants a spell thus opening the gate. She takes you further until the river is no more. She'll touch the water showing you this is how far she'll take you. You dive inside the water, but watch out for you'll land inside the mouth of a cave, but it's covered with some green vines. Move the vines aside and you'll see the glorious kingdom of Akarusa Kuusou.
In this palace has mythical creatures living in peace. A village is settled below the palace. The special garden that princess Ayla has set is inside the palace.Ayla's father has set a barrier for no intruders. thus the barrier has hidden this palace for many centuries. changing its location every century.
Rulers of this kingdom are Princess Ayla and Prince Hisaki. You might know Ayla as Lulu, but once she wrapped the pendant around her neck bloomed our beloved Lady Ayla.
As you all know Sarah, Lulus special spirit friend is actually alive here in the palace, but as an elf. She was sent to the palace to watch Lulu. The same goes for Tony and Tonya. They're are orphaned neckos.
To leave the palace you must ask the fairies that are scattered around the village.
p.s.: you can't poof yourself in or out.