
Year 7 Class 1 [칠학년일반 – 七學年一班]
- Debut (Y-M-D): 14-01-24
- Disbanded: c. 2018
- Label: Dareun Byeol Entertainment
- Music Videos:
- Korean MVs: Oppa Virus (오빠 바이러스), Always, Breakup Fighting (이별파이팅), White Wind (하얀바람), Always (2015 Ver), Please Remember Me (나를 기억해주세요), Oppa Virus (오빠 바이러스) (Acoustic), Always (Acoustic)
- Albums:
- Korean:
- Digital Single: Oppa Virus (2014), Always (2014), Breakup Fighting (2014), White Wind (2015), Always (2015 Ver) (2015), Please Remember Me (2017), With Spring (2017)
- Mini Album: Believe (2015)
- Japanese:
- Single: Oppa Virus (2016)
- Korean:
- Fan Name:
- Logo:
Members:

- Stage Name (Hangul): Sehee (세희)
- Position: Leader, Main Vocal
- Class Position: Class President
- Real Name: Baek Sehee (백세희)
- Birthday (Y-M-D): 91-02-08
- Nationality: Korean
- Height: 162cm
- Blood Type: N/A
- Formerly in: Swincle as Jisu

- Stage Name (Hangul): Minju (민주)
- Position: Sub Vocal
- Class Position: Vice President
- Real Name: Kang Minju (강민주)
- Birthday (Y-M-D): 92-12-22
- Nationality: Korean
- Height: 165cm
- Blood Type: N/A

- Stage Name (Hangul): Yirang (이랑)
- Position: Main Dance, Vocal
- Class Position: Mood Maker
- Real Name: Shin Ee-rang (신이랑)
- Birthday (Y-M-D): 93-01-21
- Nationality: Korean
- Height: 157cm
- Blood Type: N/A

- Stage Name (Hangul): Sojung (소정)
- Position: Lead Dance, Vocal
- Class Position: Athletics Captain
- Real Name: Kwon Sojung (권소정)
- Birthday (Y-M-D): 04-01-07
- Nationality: Korean
- Height: 160cm
- Blood Type: N/A

- Stage Name (Hangul): Bitna (빛나)
- Position: Vocal, Dance
- Class Position: Cheerleader
- Real Name: Han Bitna (한빛나)
- Birthday (Y-M-D): 96-10-01
- Nationality: Korean
- Height: 160cm
- Blood Type: N/A

- Stage Name (Hangul): Yoohwa (유화)
- Position: Main Vocal, Dance, Visual
- Class Position: Bread Shuttle
- Real Name: Go Yoobin (고유빈)
- Birthday (Y-M-D): 97-12-15
- Nationality: Korean
- Height: 160cm
- Blood Type: N/A

- Stage Name (Hangul): Eunshil (은실)
- Position: Rap, Dance, Maknae
- Class Position: Class Beauty Captain
- Real Name: Go Eunshil (고은실)
- Birthday (Y-M-D): 99-05-14
- Nationality: Korean
- Height: 158cm
- Blood Type: N/A
Social Media + :
*Yoohwa and Eunshil are siblings