A friend's screen name, with Na and Bing characters, as well as personalized signature, also needs a friend's, with or without Na and Bing characters, whatever.
Jiang Na will join hands with him all his life.
Bingzi accompanied him all his life.
◆ "Dear Nada, our youth is like the sun, full of sunshine. . ノ"
Dear Bing Bing, our friendship is like moonlight, weak but shining. . ノ"