BouVou (real name Matsumoto Joan) otherwise known as ZERO before appearing in various magazines is a Chinese model that has appeared in POPTEEN and STYLE HK as a student model representative. Commonly known as a ulzzang (Korean term) in her fan base community.

The only fan base record so far has been found in China and is one of the largest fan bases of net idols. Since 2009, there has been rumors surronding that she has been accepeted into CJ Entertainment and is now a official international trainee under SM Entertainment.