Yook O'Clock is the debut mini album released by Sungjae. It was released on March 2, 2020 bu Cube Entertainment. It collects all six digital singles from Sungjae's 3x2=6 project and the new title track "Come With the Wind".
In December 2019, Sungjae began the 3x2=6 project which would feature two tracks per month for three months and cover the themes Singer, Human, and BtoB.
|Come with the Wind (그날의 바람)||MosPick||MosPick||MosPick||3:38|
|HMHN (할많하않) (with Jung Il-hoon)||Jung Il-hoon||Jung Il-hoon, Fuxxy, VINCENZO, Amy Masingga||Fuxxy||3:29|
|Hypnotized (with Peniel Shin)||Peniel, Yook Sung-jae, VINCENZO||Peniel, Yook Sung-jae, VINCENZO||VINCENZO||4:10|
|W.A.U (What About U)||Park Woo-sang||Park Woo-sang||Park Woo-sang, Young||2:58|
|Chicken||Jun Sik-k||Jun Sik-k||Jun Sik-k||3:00|
|Yook (뭍(陸))||Yook Sung-jae, Amy Masingga, Fuxxy||Yook Sung-jae, Amy Masingga, Fuxxy||Amy Masingga, VINCENZO||3:55|
|From Winter (겨울 속에서)||On-Gyeol (153/Joombas)||MoonKim (153/Joombas), KYUM LYK (153/Joombas)||KYUM LYK (153/Joombas)||4:05
III. Prologue Teaser
IV. Album Teaser
V. Music Videos
VI. Lyric Videos
VII. Concept Photos
VIII. Commercial Performance
Yook O'Clock debuted at number three on the Gaon Weekly Album chart and has sold more than 27,000 copies.