In what year was the album “O' CLOCK” released by PARK JIHOON?

In what year was the album “O' CLOCK” released by PARK JIHOON?: The album “O' CLOCK” was released in 2019 by PARK JIHOON, featuring 2 tracks.
What is the most successful song from the album “O' CLOCK” by PARK JIHOON?: “L.O.V.E” is the biggest hit from the album “O' CLOCK” by PARK JIHOON.

Other artists of K-Pop