K-pop Star Season 1.' Even before participating in the popular music show, he had consistently shared his music on YouTube, showing off his musical talent. Jae had also revealed a wide range of musical spectrum as he worked with DPR Live and Crush to release an R&B soul track, "Jam & Butterfly." Likewise, Jae has proven himself to be a talented songwriter, composer, and musician. He also has an immense fanbase as he has promoted with the idol group DAY6. However, recently DAY6 fans have become worried as Jae shared a tweet expressing his feelings. He wrote on social media expressing his frustrations and sorrows by saying, "