CSR (첫사랑) #15502519
MusicENK-popGirl GroupMusic
Description
CSR (첫사랑, formerly known as 05class) is a 7 member girl group under A 2 Z entertainment. they debuted on july 27, 2022 with the mini album sequence: 7272. the girl group’s concept is a class of young girls who were born in 2005 and share experiences together. the group consists of: sua, sihyeon, yuna, seoyeon, duna, geumhee and yeham. *est 27/07/22*
Written by the group; not a statement by this register.
Membership history
Growth
| Measured (UTC) | Members | Change |
|---|---|---|
| 7 Oct 2026, 08:56 | 61 | +1 |
| 11 Aug 2026, 04:42 | 60 | first reading |
Ownership
Owned by yooyeon (@0orb1t) 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
yooyeon (@0orb1t) — 72.72hz (rank 255) terminated
briize (@ArielTsheejBin) — duna (rank 6)
Hana (@princessesofia18) — duna (rank 6)
ria (@xinyivq) — seoyeon (rank 5)
pepper (@snowwhite2647) — yuna (rank 4)
Jinri (@Axaxinationdoggy_143) — yuna (rank 4)
MAGGIE (@MAGGOTPANTS) — sihyeon (rank 3)
haley (@pwrbustrs) — sihyeon (rank 3)
tommy february6 (@lcvelution) — maeum (rank 1)
Bailansincesar (@lautalma1) — maeum (rank 1)
Hyeju (@rainbowaicey) — maeum (rank 1)
saiki (@darshinic) — maeum (rank 1)
nay (@Bestfelixnistaaaa) — 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.