He was introduced as a Exo's member on January 10, 2012. In april. It officially debuted with the extended play, "Mama". Still in April, along with Baekhyun, Chanyeol and Kai, appeared in the video of Girls' Generation-TTS's debut song. On August 17, 2012, he performed with his labelmate, BoA at "Music Bank" as a dancer in the song "Only One," after Yunho, Eunhyuk and Taemin. In July 2013, he starred in the second episode of the sitcom "Royal Villa", along with Chanyeol. In August 2014, he starred in the remake of the music video for "Yo!" made for "". In March 2015, appeared in the music video of Donghae & Eunhyuk's song, "Can You Feel It?". In April of the same year, she starred alongside the other EXO members the web series "EXO Next Door", also starring actress Moon Ga-young. In May of 2015, appeared in the music video of BoA's "Who Are You?".