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誠友会『Seiyū-kai』

誠友会『Seiyū-kai』 #35632558

6
members (measured 13 Oct 2026, 19:05 UTC)
16 February 2025
created (per Roblox API)
10 August 2026
first measured by this register

RoleplayJAroleplayyakuzafictional-organization

Description

誠友会 • Seiyū-kai ────────────────────────── 𝟏𝟗𝟗𝟔年、沖縄。 小笠原組の子会社。 厳格な結束した組織。 ────────────────────────── 設立𝟐𝟎𝟐𝟓年𝟐月𝟏𝟓日

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 We do not publish numbers we have not measured.

Measurement log — every members count we have recorded
Measured (UTC)MembersChange
11 Aug 2026, 00:476first reading

Ownership

Owned by @naxostomb 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

@naxostomb — Kaichō • 会長 (rank 255)

keitomb (@cathedricvae) — Saikō Komon • 最高顧問 (rank 253)

excaliburtomb (@juzostomb) — Wakagashira • 若頭 (rank 200) terminated

682Galleta (@cookiesgirltiti1) — Jun-kōsei-in • 準構成員 (rank 1)

@OkumaMiyoshi — Jun-kōsei-in • 準構成員 (rank 1)

A sample — only members this register has independently measured, highest rank first. Not the full roster.

Rank structure

Kaichō • 会長1
Kumichō • 組長0
Saikō Komon • 最高顧問1
Sō-Honbuchō • 総本部長0
Wakagashira • 若頭1
Shateigashira • 舎弟頭0
Kumichō Hisho • 組長の秘書0
Wakagashira-hosa • 若頭補佐0
Shateigashira-hosa • 舎弟頭補佐0
Kyōdai • 兄弟0
Shateii • 舎弟0
Member6
Jun-kōsei-in • 準構成員3
Guest0

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.