The Nocturne is the eighth and final Korean extended play by South Korean boy group NU'EST.

It was released on May 11, 2020 by Pledis Entertainment and distributed by Genie Music and Stone Music Entertainment.

It consists of six songs, including the lead single "I'm in Trouble".

[3] It also debuted at number 22 on the Oricon Albums Chart with 1,133 copies sold and at number 27 on the Oricon Combined Albums Chart.

[6][7] A month later, the EP re-entered two main charts in Japan achieving a new peak, the Oricon Albums Chart with additional 6,665 copies sold at number 5, and Billboard Japan's Hot Albums at number 7.