First Breath: Saisho no Iki #249237022

members (measured 21 Oct 2026, 23:02 UTC)

15 September 2025

created (per Roblox API)

11 August 2026

first measured by this register

Game studiosENroleplayanimeinvite-only

Description

First Breath: Saisho no Iki is an invite-only roleplay based on the manga series Demon Slayer: Kimetsu no Yaiba.

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 We do not publish numbers we have not measured.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)	Members	Change
11 Aug 2026, 18:16	34	first reading

Ownership

Owned by Snake (@Snakegamer1) as measured.

Groups seen changing owner — the largest ever handed over and the most recent — are on the ownership transfers board.

Experiences

players in this group’s experiences right now

1,852

lifetime visits across 1 experiences

FIRST BREATH 最初の息0 playing now

1,852 visits

Experiences this group owns, by lifetime visits. Live-player counts are from our last measurement.

Members we’ve seen

Snake (@Snakegamer1) — Owner (rank 255)

jerm (@RealRocknRoIIa) — Staff (rank 254)

@Marco_WIllo — Developers (rank 253)

crow (@Mhycro) — Developers (rank 253)

@Senshade — Roleplayers (rank 2)

@iiBeastiez — Roleplayers (rank 2)

RatDogPyro (@terusamaa) — Roleplayers (rank 2)

Ivy (@Animefan899) — Roleplayers (rank 2)

SPOOKS (@DE4DR0S3S) — Roleplayers (rank 2)

nearr (@asciinaaut) — Roleplayers (rank 2)

genesis (@numbtowhatisreal) — Roleplayers (rank 2)

ari (@eepylullaby) — Roleplayers (rank 2)

gatto (@oogattooo) — Roleplayers (rank 2)

Rileywood (@LordFlungus) — Pending Approval (rank 1)

Elliot (@DennisTGP) — Pending Approval (rank 1)

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

Rank structure

Owner1

Staff3

Developers2

Roleplayers23

Member34

Pending Approval5

Guest0

Roles and per-rank member counts as Roblox reports them (rank 0 = guest … 255 = owner).

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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.