How to get Obi Island's hand-slippery purple long hair?

The steps to obtain the hand-swimming ice purple hair in Obi Island are as follows:

1. Find the summoning activity of Prince Snowball and participate in it to get it.

2. In the activity, collect snowflakes, and collect a certain number of snowflakes to dance with the prince.

3. Dance with the evil prince * * * for 3 times to get Bing Xin purple hair.