On the 25th, Sejeong tagged his official Instagram with the article "Sister song is really fantastic; live god".
In the photo, Sejeong, who winks with the former Singer and raises his thumb, was shown.
Sejeong has recently been actively working on the new 'Crazy Sound' and is taking a pose with Ye Jun and SBS MTV The Show'.
On the other hand, Sejeong won the "The Show Choice" as a new song "Flower" on SBS MTV The Show (The Show)' broadcast on the 24th, and became the first music broadcast after comeback.