Singer Jessica and sister Krystal show a chemistry between sisters that sets the difference.

According to South Korean media reports on the 25th: Singer, designer and writer Jessica Zheng Xiuyan's agency today released the preview video of Jessica's new song "Can't Sleep", which raised the public's sense of expectation for her new song. Korean entertainment did not know that the public video covered the wonderful scene of Jessica & Krystal 's trip to the United States' variety show "Jessica & Krystal - US Road Trip" with two sisters traveling in the United States.
In the video, jessica and Krystal's dazzling beauty and intimate atmosphere and other unique pictures make people feel the deep emotions of the "Zheng sisters" again.
At the same time as the public trailer video, part of the source of "Can't Sleep" was also disclosed, and Jessica's unique rogue tone and sweet melody combined to further enhance the public's curiosity and sense of expectation.
"Can't Sleep" is the first OST of the variety show Jessica & Krystal - US Road Trip, in which the anxiety of lovers who can't sleep because they miss each other after a breakup is interpreted with sad emotions, which is a jazz-style love song.
It is worth mentioning that this new song "Can't Sleep" is Jessica's second release of a new song after 2 years, so it has attracted much attention. Korean entertainment did not know that "Can't Sleep" will be released through major online audio source websites at 6 p.m. on the 27th of this month.