- Full name: Kang Seul-gi
- Date of Birth: February 10, 1994
- Nationality: Korean
- Blood type: A
- Group: Red Velvet
- Agency: SM Entertainment
- Debut: 2014, ‘Hapiness’
- Position in the group: Lead vocalist, main dancer
- Family members: Mom, dad, grandmother, older brother, Seulgi
- Nickname: ‘teddy bear’, ‘bear Seulgi’, and ‘sweat Seulgi’
- Seulgi’s image color in Red Velvet is yellow
