Background
Son, according to her official profile, was born in Saitama, Japan with Chinese nationality, however she herself has stated on multiple occasions that she was born in Dairen, China and lived there until she was 5 years old before immigrating to Niigata and growing up in Saitama.
Career
There are several different ways of spelling her name in Roman script, including Ii Son, Wei Sun, and Wei Son. She became a full-time model at the age of 17. She first appeared in the Popteen magazine in May 2007 and was first on its cover in March 2008.
In April 2010 when Popteen"s "older sister" magazine PopSister was first published, she appeared on it as an exclusive model alongside six other exclusive models.
That same year she went to Shanghai to attend the Shanghai World Expo, specifically its event promoting the gyaru culture and various gyaru-brands, as a representative of the gyaru scene along with eight other Japanese models related to the Popteen magazine. Being very active in the runway scene, she has endorsed numerous fashion brands, cosmetic products, and several non-fashion / non-cosmetic products including printclub machines.
She also starred in the music video for Rake"s 2010 song "All I Need Is..". PopSister ceased publication in September 2011.
She had since appeared on various fashion magazines including the 250,000-selling Blenda magazine, and she began appearing regularly on Blenda as the youngest one of its faces in April 2012.
On television Son has been appearing regularly on television Tokyo"s street dance themed program DanceTV since April 2010 as its only female host. She also began appearing on Music Television Japan"s Shibuhara Girls in January 2011 as one of its four regulars. A reality television series, Shibuhara Girls has reported some daily aspects of her modeling life such as her visits to South of Korea where she was featured in the Maps street fashion magazine, the Men"s Health magazine"s "Hot Icon of the Month" monthly special editorial, and several newspapers.
Wei has a fraternal twin sister named Kyo, id est (that is)
Kyo Son (孫 きょう, Son Kyou). Kyo, who became a mother of a boy in October 2009, is also a model best known for appearing in popular gyaru-mama magazine "I Love Mama".
Wei made an appearance with Kyo in the Blenda magazine June 2013 issue, and it was her first magazine appearance with the sister. Official profile by the LesPros modeling agency (Japanese) Official blog (Japanese) Former official blog (Japanese) Official Twitter (Japanese).