Joy posted two photos on his SNS on the 20th, along with an article entitled "Get to listen to our sonic waves!"
In the photo, there is a picture of Joy sitting on the sunbed while shooting a new song 'Sonic Wave' MV. Joy's glamorous vibe, which she tied up her hair and wore an RED bra top and rainbow ring earrings, draws attention.
The fans who responded to the photos responded such as "It is really beautiful", "RED Velvet and I am fighting" and "This activity is also fighting".
Meanwhile, Joy's group RED Velvet released a new song, "Sonic Sound," at 6 p.m. on the day (20th).
About Red Velvet
Red Velvet is a South Korean girl group formed and managed by SM Entertainment. They originally debuted on August 1, 2014, with the single "Happiness" with the four-member line-up of Irene, Seulgi, Wendy and Joy.
 Wikipedia