OnlyOneOf (온리원오브; debuted May 28, 2019) is a six-member South Korean boy group under 8D Creative. The group debuted on May 28, 2019. The six members of OnlyOneOf are: Shin Kyubin (aka KB), Lee Sungho (aka Rie), Lee Taeyeob (aka Yoojung), Kim Junhyung (aka Junji), Lee Yongsoo (aka Mill), and Jung Wookjin (aka Nine). Park Jisung (aka Love), who was the leader and main vocalist of the group, left the group in August 2021.
|# of Members||6|
|Members||KB, Rie, Yoojung, Junji, Mill, Nine|
|Former Member||Love (depared Aug 2021)|
|Oldest Member||KB (born Apr 23, 1992)|
|Youngest Member||Nine (born Dec 13, 1999)|
|Debut||May 28, 2019|
Ranked from oldest to youngest.
|1. KB||Apr 23, 1992||29 years old|
|2. Rie||Nov 06, 1996||25 years old|
|3. Yoojung||May 29, 1997||24 years old|
|4. Junji||Apr 06, 1998||23 years old|
|5. Mill||Mar 30, 1999||22 years old|
|6. Nine||Dec 13, 1999||22 years old|
Ranked from tallest to shortest.
|1. Junji||1.81 m (5'11")|
|2. KB||1.80 m (5'11")|
|3. Nine||1.77 m (5'10")|
|4. Yoojung||1.76 m (5'9")|
|5. Rie||1.74 m (5'9")|
|6. Mill||1.71 m (5'7")|
OnlyOneOf is composed of six members born between 1992 and 1999. Their names are: KB, Rie, Yoojung, Junji, Mill, and Nine. The oldest member is KB (born Apr 23, 1992). The youngest member (maknae) is Nine (born Dec 13, 1999). The official fandom name of OnlyOneOf is lyOn, a play on words that references both the name of the group and the English word lion. Former member Park Jisung (aka Love) left the group in August 2021.
|KB||lead rapper, vocalist, visual|
|Rie||lead vocalist, lead dancer|
|Yoojung||main dancer, vocalist|
|Junji||lead vocalist, lead dancer|
|Mill||main rapper, vocalist|