- Big Sister Line
- Chaewon: "Cute Unnie", "The Baby"
- Yena: "Number One Unnie", "The Oldest"
- Sakura: Cheerleader, as she is the only member that is poor at running
- Hyewon: Hunter and The Prey. Other members motivate her by saying that she is looking for food.
- Eunbi: Madnae, the oldest that act like the youngest
- KwonChaeng: Dorm leaders
- KwonChaeng and Sakura: Chefs
|Name||Birth Date||Position||Final Rank||Label||Color|
|Kwon Eun Bi||September 27, 1995||Leader, Main Dancer, Lead Vocalist||7||Woollim Entertainment||Purple|
|Miyawaki Sakura||March 19th, 1998||Vocalist, Visual||2||HKT48||Pastel Pink|
|Kang Hye Won||July 5th, 1999||Lead Rapper, Vocalist, Visual||8||8D Entertainment||Coral|
|Choi Ye Na||September 29th, 1999||Main Rapper, Lead Vocalist, Lead Dancer||4||Yuehua Entertainment||Yellow|
|Lee Chae Yeon||January 11th, 2000||Main Dancer, Lead Vocalist, Lead Rapper||12||WM Entertainment||Blue Mint|
|Kim Chae Won||August 1st, 2000||Lead Vocalist, Lead Dancer||10||Woollim Entertainment||Mint|
The oldest three members were also called "SHE Line/Twilight Zone Line", which is a subgroup of Eunbi, Sakura and Hyewon. They are the three oldest in the group. SHE is based on the first letters of their name.
- Of the three, only Sakura matches Selina's representative color: Pink.
- Of the three, Eunbi's vocal range is the opposite to Ella's. Eunbi's singing vocal range is the highest and widest of the three, which is Hebe's role. Ella's vocal range is the lowest.
- Eunbi is the leader of the entire group, S.H.E. does not have a leader.
- All members of Unnie Line were born more than 12 years after Hebe, the youngest member, but they were all born before the group's debut date: September 11, 2001.