In what year was the album “Marine Turtle - NCT LAB” released by NCT U?

In what year was the album “Marine Turtle - NCT LAB” released by NCT U?: The album “Marine Turtle - NCT LAB” was released in 2023 by NCT U, featuring 2 tracks.
What is the most successful song from the album “Marine Turtle - NCT LAB” by NCT U?: “Marine Turtle (Korean Ver.)” is the biggest hit from the album “Marine Turtle - NCT LAB” by NCT U.

Other artists of K-pop