Song, who is six years younger than Song, is nicknamed Xixi. She looks as sweet as Song and her pupils are blue.

After the disappearance, Song Yaxi had many skills: mathematical genius, hi: Sudoku, programming, strong learning ability, talent for singing and dancing (but not liking it), American Hollywood actor, four friends: Magna, overseas Chinese, two mixed-race, forgetting Shandong dialect and Mandarin Sichuan dialect.