How to enter the Double Star Peak with cold water?

What you want to ask is how to enter the "upstream" double star cave? The access method of Double Star Cave is as follows:

1, first come to the gate of the Double Star Cave, and you can see the double peak photos before the mission;

2. Ask Xiao Nuan in the game and find that you need to pick up a task called Xianju Romance, and you can enter according to the instructions;

3. Asking for relevant content will trigger a prompt, and it will not be opened until the specified time.