I don't know how to die when I was drowned in the sea, old man & holding hands with the sea to see the sea, Senyu going to the sea, my heart turned into the sea but not blue, seawater in a cup, and many beautiful screen names related to the sea. You can choose at will.

The screen name is an alias you give yourself in WeChat, which can make your friends easier to identify and allow you to change it many times.