CSR (첫서랑) #16961218
MusicKOK-popMusic GroupFandom
Description
CSR (첫사랑, formerly known as 05class) is a 7 member girl group under POPMUSIC. They debuted on July 27, 2022 with the mini album Sequence: 7272. The girl group’s concept is a class of girls who were born in 2005. The group consists of: Sua, Sihyeon, Yuna, Seoyeon, Duna, Geumhee and Yeham.
Written by the group; not a statement by this register.
Membership history
Growth
Growth history is still building. We hold one measurement for this entry. A trend needs at least two, taken days apart — so this will fill in on its own rather than being estimated. We do not publish numbers we have not measured.
| Measured (UTC) | Members | Change |
|---|---|---|
| 13 Aug 2026, 15:10 | 26 | first reading |
Ownership
Owned by Aidan (@6idans) as measured.
Groups seen changing owner — the largest ever handed over and the most recent — are on the ownership transfers board.
Members we’ve seen
Aidan (@6idans) — ❅ ﹒ OWNER (rank 255)
ria (@xinyivq) — ❁ ﹒ Geumhee (rank 7)
chuu_o3o (@Bonidreamnote) — ✺ ﹒ Duna (rank 6)
ratty (@jackrabbit202020) — ✲ ﹒ Yuna (rank 4)
@iidatowa — ✧ ﹒ MAEUM (rank 1)
A sample — only members this register has independently measured, highest rank first. Not the full roster.
Rank structure
Roles and per-rank member counts as Roblox reports them (rank 0 = guest … 255 = owner).
Related groups
Groups whose measured members overlap with this one — a sample from our membership graph.
Open data
Download this group’s measured record — free to reuse with attribution: membership history (CSV) · full record (JSON)
Each file carries its licence and retrieval time inside it, and is generated from the same measurements shown above.