diff --git a/hosts/arcadia/hardware-configuration.nix b/hosts/arcadia/hardware-configuration.nix
new file mode 100644
index 0000000..8bf8788
--- /dev/null
+++ b/hosts/arcadia/hardware-configuration.nix
@@ -0,0 +1,45 @@
+{
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}:
+{
+  imports = [
+    (modulesPath + "/installer/scan/not-detected.nix")
+  ];
+
+  boot.initrd.availableKernelModules = [
+    "nvme"
+    "xhci_pci"
+    "ahci"
+    "usb_storage"
+    "usbhid"
+    "sd_mod"
+  ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" = {
+    device = "/dev/disk/by-uuid/f3934858-078f-463a-9dd3-d6ba220ced6d";
+    fsType = "ext4";
+  };
+
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-uuid/FFAC-0945";
+    fsType = "vfat";
+    options = [
+      "fmask=0077"
+      "dmask=0077"
+    ];
+  };
+
+  swapDevices = [ ];
+
+  networking.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/hosts/arcadia/home-manager.nix b/hosts/arcadia/home-manager.nix
new file mode 100644
index 0000000..ef87ea6
--- /dev/null
+++ b/hosts/arcadia/home-manager.nix
@@ -0,0 +1,41 @@
+{ conifg, pkgs, ... }:
+{
+  imports = [
+    ../../home-manager/hyprland.nix
+    ../../home-manager/tofi.nix
+    ../../home-manager/direnv.nix
+    ../../home-manager/waybar.nix
+  ];
+  home = rec {
+    username = "hare";
+    homeDirectory = "/home/${username}";
+    stateVersion = "24.11";
+  };
+  home.packages = with pkgs; [
+    vscode
+    vivaldi
+    discord
+    discord-canary
+    helvum
+    obs-studio
+    superfile
+    plemoljp
+    plemoljp-nf
+    prismlauncher
+  ];
+  programs.git = {
+    enable = true;
+    userName = "Hare";
+    userEmail = "kei.hiracchi.0928@gmail.com";
+  };
+
+  fonts = {
+    fontconfig = {
+      defaultFonts = {
+        serif = [ "Noto Serif" ];
+        sansSerif = [ "Noto Sans" ];
+        monospace = [ "PlemolJP NF Console" ];
+      };
+    };
+  };
+}
diff --git a/hosts/arcadia/nixos.nix b/hosts/arcadia/nixos.nix
new file mode 100644
index 0000000..91bc4b5
--- /dev/null
+++ b/hosts/arcadia/nixos.nix
@@ -0,0 +1,67 @@
+{
+  config,
+  pkgs,
+  username,
+  ...
+}:
+{
+  system.stateVersion = "24.11";
+
+  imports = [
+    ./hardware-configuration.nix
+
+    ../../system/core
+    ../../programs/ssh.nix
+    ../../programs/utility.nix
+    ../../programs/shell.nix
+    ../../programs/docker.nix
+    ../../programs/v4l2.nix
+    ../../programs/desktop/hyprland.nix
+    ../../programs/fcitx.nix
+  ];
+  environment.systemPackages = with pkgs; [
+    deno
+    nodejs
+    pnpm
+    scrcpy
+    tetrio-desktop
+    # kicad
+    # blender-hip
+    gimp
+    inkscape
+  ];
+
+  nixpkgs.config.allowUnfree = true;
+
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  boot.initrd.kernelModules = [ "amdgpu" ];
+
+  boot.kernelModules = [ "v4l2loopback" ];
+  boot.extraModulePackages = [ pkgs.linuxPackages.v4l2loopback ];
+
+  users.users.${username} = {
+    extraGroups = [
+      "adbusers"
+      "docker"
+    ];
+    shell = pkgs.fish;
+    openssh.authorizedKeys.keys = [
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIW2Yrqwi4YjIrdI8mygX5pTHDPmrUgbmpZ4WxoTqORi keihi@Vostro-LapTop"
+    ];
+  };
+  programs.adb.enable = true;
+  programs.nix-ld.enable = true;
+
+  services.openssh.enable = true;
+
+  networking.firewall.allowedTCPPorts = [
+    8080
+    22
+    5173
+    8000
+    9001
+  ];
+  networking.firewall.allowedUDPPorts = [ ];
+}