Who's Who is Who's Who is a novel by writer Fresh Orange, and a novel by writer Yue Ruo Yu.

Fresh Orange's novel centers on Yuan Xi and her emotional entanglements with several men and women, including Bu Huaiyu, He Shi, Yuan Qingzhuo, Zheng Hao, and Zhang Heng. Yue Ruoyu tells the youthful love story between Yu Qin, a young girl who has just entered college, and her senior, Leng Xueyi.

Fresh Orange's main representative works: "Princess of Harmony", "Spare the Person in Front of You", "Lady's Colors", "Who's Who", and "Your Distance". The four-part series of Ah Mak: "Ah Mak from the Army" (finished), "The Prince Consort's Promotion" (finished), "Female Bandits in the North of the River" (unfinished), and "The Princess's Marriage" (to be started soon).

Main works of Yue Ruoyu: "Born for Love", "Love Hip Hop Dance", "My First Love and I Say Good Bye", "Love in Ningxia E Degree", "Who's Who".

The origin of the pen name: because I like oranges and like to drink fresh orange more so I took this name. In fact, the name can reflect a person's character, sweet, gentle, clean, strong, may be each name will have a story or a mood, fresh orange think orange this fruit is sweet and sour, give a person a simple feeling, this is also a reflection of the simplicity of the character of the fresh orange it.