Red Velvet Yeri, a new song "Bad Boy" dance broke out "adult" controversy.
* It points out that it is too sexy and goes over as "minor". The standard of Korean "adult" is "full 19"
* Yell's birthday is March 5, 1999. After one month definitely "adult"
* However, the "adult on 1 January" faction vs "the adult on 5 March dated" faction is controversial. .