On January 22, 2016, she appeared in "Don't Forget", a digital single from Crush. The single was well received, leading several musical lists. Following the success of her first solo album, "Rain", was released as a digital single to start the project, "SM Station", along with the release of a music video and accompanied by the single, "Secret" on 3 February 2016. "Rain" won her first win on the "Inkigayo" music show on February 14.