I. Introduction
Kang Seul-gi, born on February 10, 1994, is a South-Korean singer and dancer. She is the lead vocalist and main dancer of the South-Korean girl group Red Velvet.
II. Discography
III. Original Soundtracks
| Year | Song | From | Notes |
| 2016 |
Don't Push Me | Uncontrollably Fond | with Wendy |
| 2017 | Deep Blue Eyes | Idol Drama Operation Team | Girl Next Door |
| 2017 | I Can Only See You | Hwarang | with Wendy |
| 2017 | You, Just Like That | Blade & Soul | Solo |
| 2019 | Always | The Crowned Clown | Solo |
| 2024 | In My Memory | Doctor Slump | Solo |
IIII. Collaborations
| Year | Song |
With |
| 2016 | Sound of Your Heart | Lee Dong Woo, Yesung, Sunny, Luna, Wendy, Taeil & Doyoung |
| 2017 | Darling U | Yesung |
| 2017 | Our Story | Chiywol |
| 2017 | Doll | Kangta and Wendy |
| 2018 | Wow Thing | Jeon So-yeon, Chungha and SinB |
