Later that year, he participated alongside other artists on Jellyfish Entertainment's collaborative track “Love In The Air” (Hangul: 사랑난로) for the album Jelly Christmas 2015 – 4랑.
Tego samego roku wziął udział, wraz z innymi artystami z Jellyfish Entertainment, w nagraniu utworu „Love In The Air” (Hangul: 사랑 난로) do albumu Jelly Christmas 2015 - 4 랑.