S.I.S (에스아이에스, also stylized SIƧ)

Label: XX Entertainment

They held their pre-debut stage at IDOLCON on May 26, 2017

J.SUN (Leader, Sub Vocal)

MINZY (Rap, Dance)

DAL (Main Vocal)

GAEUL (Vocal)

ANNE (Vocal, Dance)

SEBIN (Vocal)

Official Fan Cafe

Official Twitter

Official Facebook

Official YouTube

Official Instagram

Neukkimi Wa (느낌이 와; I've Got a Feeling) [Digital Single] (2017.08.25)

1. Neukkimi Wa (느낌이 와)

2. Ah Ya! (아야)

3. My Space (나의 우주)

4. Neukkimi Wa (Inst.)

FH

Eung (SAY YES) (응; Huh) [Digital Single] (2018.09.20)

1. Eung (SAY YES) (응)

2. Jjaksarang (짝사랑)

3. Bunhongkkoch (분홍끛)

4. Eung (SAY YES) (Inst.)

FH