At the 2017 Seoul International Music Fair Road Show, Crush opened up about the success of Beautiful, a popular soundtrack from tvNs drama Goblin.
Crush said, The Goblin OST Beautiful received a lot of love. When it reached No. 1 on music charts, I had mixed emotions. He continued, When people around me congratulated me for reaching No. 1, I was really happy, but a part of me was a bit sad too.
Crush talked about being associated with the song wherever he went, which was something he was definitely grateful for and happy about but was concerned about as well.