diff --git a/app/controllers/first_runs_controller.rb b/app/controllers/first_runs_controller.rb
new file mode 100644
index 000000000..64bd78cba
--- /dev/null
+++ b/app/controllers/first_runs_controller.rb
@@ -0,0 +1,23 @@
+class FirstRunsController < ApplicationController
+  allow_unauthenticated_access
+
+  before_action :prevent_repeats
+
+  def show
+  end
+
+  def create
+    user = FirstRun.create!(user_params)
+    start_new_session_for user
+    redirect_to root_url
+  end
+
+  private
+    def prevent_repeats
+      redirect_to root_url unless Account.none?
+    end
+
+    def user_params
+      params.require(:user).permit(:name, :email_address, :password)
+    end
+end
diff --git a/app/controllers/sessions_controller.rb b/app/controllers/sessions_controller.rb
index 3c18b47ed..357e70a98 100644
--- a/app/controllers/sessions_controller.rb
+++ b/app/controllers/sessions_controller.rb
@@ -2,6 +2,8 @@ class SessionsController < ApplicationController
   allow_unauthenticated_access only: %i[ new create ]
   rate_limit to: 10, within: 3.minutes, only: :create, with: -> { redirect_to new_session_url, alert: "Try again later." }
 
+  before_action :require_first_run_completion
+
   def new
   end
 
@@ -18,4 +20,9 @@ class SessionsController < ApplicationController
     terminate_session
     redirect_to new_session_url
   end
+
+  private
+    def require_first_run_completion
+      redirect_to first_run_url if Account.none?
+    end
 end
diff --git a/app/helpers/first_runs_helper.rb b/app/helpers/first_runs_helper.rb
new file mode 100644
index 000000000..48a2e6739
--- /dev/null
+++ b/app/helpers/first_runs_helper.rb
@@ -0,0 +1,2 @@
+module FirstRunsHelper
+end
diff --git a/app/models/first_run.rb b/app/models/first_run.rb
new file mode 100644
index 000000000..ad010a37f
--- /dev/null
+++ b/app/models/first_run.rb
@@ -0,0 +1,6 @@
+class FirstRun
+  def self.create!(user_attributes)
+    account = Account.create!(name: "Fizzy")
+    account.users.create!(user_attributes)
+  end
+end
diff --git a/app/views/first_runs/show.html.erb b/app/views/first_runs/show.html.erb
new file mode 100644
index 000000000..0aa48f667
--- /dev/null
+++ b/app/views/first_runs/show.html.erb
@@ -0,0 +1,45 @@
+<% @page_title = "Set up Fizzy" %>
+
+<div class="panel shadow center margin-block-double <%= "shake" if flash[:alert] %>" style="--panel-size: 55ch;">
+  <div class="bubble center" style="--bubble-color: var(--color-ink); --bubble-rotate: 90deg; --bubble-size: 12cqi;">
+    <svg class="bubble__svg" viewBox="0 0 990 990" xmlns="http://www.w3.org/2000/svg" style="stroke-width: 1.7em;">
+      <path d="m0 0h990v990h-990z" fill="none" stroke="none" />
+      <path d="m391.65 879.47c-110.52-15.95-212.21-91.86-255.92-191.23-66.78-143.65-41.62-347.61 48.08-481.17 368.33-516.3 1252.97 520.2 451.03 660.78-44.07 8.84-88.98 13.49-133.01 15.68-36.69 2-73.37 1.91-109.99-4.03z"/>
+    </svg>
+    <span class="bubble__bubble bubble__meta bubble__date" style="border-width: 0.5em;"></span>
+    <span class="bubble__bubble bubble__meta bubble__tag" style="border-width: 0.5em;">&nbsp; &nbsp; &nbsp; &nbsp;</span>
+    <span class="bubble__bubble bubble__meta bubble__tag" style="border-width: 0.5em;">&nbsp; &nbsp;</span>
+  </div>
+
+  <h1 class="margin-block-start-half margin-block-end-double">Fizzy</h1>
+
+  <%= form_with model: User.new, url: first_run_path, class: "flex flex-column gap txt-large" do |form| %>
+    <div class="flex align-center gap">
+      <%= translation_button :user_name %>
+      <label class="flex align-center gap input input--actor txt-large">
+        <%= form.text_field :name, class: "input", autocomplete: "name", placeholder: "Name", autofocus: true, required: true, data: { "1p-ignore": true } %>
+        <%= image_tag "person.svg", aria: { hidden: "true" }, size: 30, class: "colorize--black" %>
+      </label>
+    </div>
+
+    <div class="flex align-center gap">
+      <%= translation_button :email_address %>
+      <label class="flex align-center gap input input--actor txt-large">
+        <%= form.email_field :email_address, class: "input", autocomplete: "username", placeholder: "Email address", required: true %>
+        <%= image_tag "email.svg", aria: { hidden: "true" }, size: 30, class: "colorize--black" %>
+      </label>
+    </div>
+
+    <div class="flex align-center gap">
+      <%= translation_button :password %>
+      <label class="flex align-center gap input input--actor txt-large">
+        <%= form.password_field :password, class: "input", autocomplete: "new-password", placeholder: "Password", required: true, maxlength: 72 %>
+        <%= image_tag "password.svg", aria: { hidden: "true" }, size: 30, class: "colorize--black" %>
+      </label>
+    </div>
+    <button type="submit" id="log_in" class="btn btn--reversed center">
+      <%= image_tag "arrow-right.svg", aria: { hidden: true }, size: 24 %>
+      <span class="for-screen-reader">Create your account</span>
+    </button>
+  <% end %>
+</div>
diff --git a/app/views/sessions/new.html.erb b/app/views/sessions/new.html.erb
index 75500f5a7..1ef09f9c4 100644
--- a/app/views/sessions/new.html.erb
+++ b/app/views/sessions/new.html.erb
@@ -15,7 +15,7 @@
 
   <%= form_with url: session_path, class: "flex flex-column gap txt-large" do |form| %>
     <div class="flex align-center gap">
-      <%= translation_button(:email_address) %>
+      <%= translation_button :email_address %>
       <label class="flex align-center gap input input--actor">
         <%= form.email_field :email_address, required: true, class: "input full-width", autofocus: true, autocomplete: "username", placeholder: "Enter your email address" %>
         <%= image_tag "email.svg", aria: { hidden: "true" }, size: 30, class: "colorize--black" %>
@@ -23,7 +23,7 @@
     </div>
 
     <div class="flex align-center gap">
-      <%= translation_button(:password) %>
+      <%= translation_button :password %>
       <label class="flex align-center gap input input--actor">
         <%= form.password_field :password, required: true, class: "input full-width", autocomplete: "current-password", placeholder: "Enter your password", maxlength: 72 %>
         <%= image_tag "password.svg", aria: { hidden: "true" }, size: 30, class: "colorize--black" %>
diff --git a/config/routes.rb b/config/routes.rb
index 51b4568fb..da76ffa27 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -1,6 +1,8 @@
 Rails.application.routes.draw do
   root "buckets#index"
 
+  resource :first_run
+
   resource :session
 
   resource :account do
diff --git a/test/controllers/first_runs_controller_test.rb b/test/controllers/first_runs_controller_test.rb
new file mode 100644
index 000000000..9d2e99c7b
--- /dev/null
+++ b/test/controllers/first_runs_controller_test.rb
@@ -0,0 +1,29 @@
+require "test_helper"
+
+class FirstRunsControllerTest < ActionDispatch::IntegrationTest
+  setup do
+    Account.destroy_all
+  end
+
+  test "show" do
+    get first_run_url
+    assert_response :ok
+    assert_select "title", text: "Set up Fizzy"
+  end
+
+  test "show after completion" do
+    Account.create! name: "Fizzy"
+    get first_run_url
+    assert_redirected_to root_url
+  end
+
+  test "create" do
+    assert_difference -> { Account.count }, +1 do
+      post first_run_url, params: { user: { name: "New", email_address: "new@37signals.com", password: "secret123456" } }
+      assert_redirected_to root_url
+    end
+
+    follow_redirect!
+    assert_response :ok
+  end
+end