As mentioned by Soyul on her Instagram, she became an “AnMaeKyeoSo” honorary ambassador. “AnMaeKyeoSo” refers to “Safety belts all the time, Turning on car lights, communication”.
On 22 Feb 2016, the Seongnam Sujeong Police invited Crayon Pop member Soyul to be the honorary ambassador of their ‘AnMaeKyeoSo’ campaign. Police chief Gwak Gyeongho mentioned through an interview, that he hoped the public would participate in their ‘AnMaeKyeoSo’ campaign. At the same time, Soyul will join in the ‘AnMaeKyeoSo’ campaign’s UCC production and promotional activities, actively guiding the public to participate in this ‘AnMaeKyeoSo’ campaign.
Soyul also performed Bar Bar Bar with other members of the police force.