- Full name: Lee Seokmin
- Date of Birth: February 18, 1997
- Nationality: Korean
- Blood type: RH-O
- Group: Seventeen
- Agency: Pledis Entertainment
- Debut: May 2015
- Position in the group: Main vocalist
- Family members: Mom, dad, older sister, DK
- Nickname: ‘Dokyeomdoongyi’,’gyeomborghini’, and ‘loudspeaker’
- He is very close to his sister
- DK has curly hair so needs to straighten it all the time
