diff --git a/home-manager/firefox.nix b/home-manager/firefox.nix
new file mode 100644
index 0000000..902f34f
--- /dev/null
+++ b/home-manager/firefox.nix
@@ -0,0 +1,5 @@
+{
+programs.firefox = {
+  enable = true;
+};
+}
diff --git a/home-manager/hyprland.nix b/home-manager/hyprland.nix
index 1afee27..d36878b 100644
--- a/home-manager/hyprland.nix
+++ b/home-manager/hyprland.nix
@@ -7,14 +7,15 @@
         # "/usr/lib/polkit-kde-authentication-agent-1"
         # "dunst"
         "swww-daemon"
-        "swww img ./backgrounds/arknights-02.jpg"
-        # "hypridle"
         # "copyq --start-server"
         # "wl-paste --type text --watch cliphist store"
         # "wl-paste --type image --watch cliphist store"
         "eww daemon"
         "eww open bar"
         "eww open roundedEdge"
+      ];
+      exec = [
+        "swww img /usr/share/wallpaper/arknights-02.jpg"
         "dconf write /org/gnome/desktop/interface/gtk-theme 'Adwaita Dark'"
         "dconf write /org/gnome/desktop/interface/icon-theme 'Adwaita Dark'"
         "dconf write /org/gnome/desktop/interface/document-font-name 'Noto Sans Medium 11'"
@@ -123,7 +124,7 @@
           "SUPER, E, exec, $terminal"
           "SUPER, Q, killactive,"
           "SUPER, L, exec, $lock"
-          "SUPER_SHIFT, M, exec, uwsm stop"
+          "SUPER_SHIFT, M, exec, loginctl terminate-user $USER"
 
           # prsc
           ", Print, exec, hyprshot -m window -m active --clipboard-only"
@@ -184,8 +185,8 @@
     ];
   };
   home.sessionVariables = {
-    HYPRCURSOR_THEME = "rose-pine-cursor-hyprcursor";
-    HYPRCURSOR_SIZE = "24";
+    HYPRCURSOR_THEME = "";
+    HYPRCURSOR_SIZE = "12";
     XCURSOR_SIZE = "24";
     GTK_BACKEND = "wayland";
     QT_QPA_PLATFORM = "wayland;xcb";
diff --git a/home-manager/obs-studio.nix b/home-manager/obs-studio.nix
new file mode 100644
index 0000000..edd2865
--- /dev/null
+++ b/home-manager/obs-studio.nix
@@ -0,0 +1,11 @@
+{ config, pkgs, ... }:
+{
+  programs.obs-studio = {
+    enable = true;
+    plugins = with pkgs.obs-studio-plugins; [
+      wlrobs
+      obs-backgroundremoval
+      obs-pipewire-audio-capture
+    ];
+  };
+}
diff --git a/hosts/arcadia/display.nix b/hosts/arcadia/display.nix
new file mode 100644
index 0000000..6211044
--- /dev/null
+++ b/hosts/arcadia/display.nix
@@ -0,0 +1,10 @@
+{
+  wayland.windowManager.hyprland = {
+    settings = {
+      monitor = [
+        "DP-2, 2560x1440@144, 0x0, 1"
+        "DP-1, 1920x1080@120, -1920x180, 1"
+      ];
+    };
+  };
+}
diff --git a/hosts/arcadia/hardware-configuration.nix b/hosts/arcadia/hardware-configuration.nix
index 8bf8788..9810a82 100644
--- a/hosts/arcadia/hardware-configuration.nix
+++ b/hosts/arcadia/hardware-configuration.nix
@@ -42,4 +42,8 @@
 
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
   hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+
+  hardware.opengl = {
+      enable = true;
+  };
 }
diff --git a/hosts/arcadia/home-manager.nix b/hosts/arcadia/home-manager.nix
index 2f414d2..fbe5636 100644
--- a/hosts/arcadia/home-manager.nix
+++ b/hosts/arcadia/home-manager.nix
@@ -2,15 +2,18 @@
 {
   imports = [
     ../../home-manager/hyprland.nix
+    ./display.nix
+
     ../../home-manager/tofi.nix
     ../../home-manager/direnv.nix
+    ../../home-manager/firefox.nix
+    ../../home-manager/obs-studio.nix
   ];
   home.packages = with pkgs; [
     vscode
     vivaldi
     discord
     helvum
-    obs-studio
     superfile
     plemoljp
     plemoljp-nf
@@ -40,4 +43,16 @@
       };
     };
   };
+
+  xdg.mimeApps = {
+    enable = true;
+
+    defaultApplications = {
+      "text/html" = "vivaldi-stable.desktop";
+      "x-scheme-handler/http" = "vivaldi-stable.desktop";
+      "x-scheme-handler/https" = "vivaldi-stable.desktop";
+      "x-scheme-handler/about" = "vivaldi-stable.desktop";
+      "x-scheme-handler/unknown" = "vivaldi-stable.desktop";
+    };
+  };
 }
diff --git a/programs/desktop/hyprland.nix b/programs/desktop/hyprland.nix
index 0e8eb57..27b2e86 100644
--- a/programs/desktop/hyprland.nix
+++ b/programs/desktop/hyprland.nix
@@ -7,11 +7,9 @@
       withUWSM = true;
     };
     hyprlock.enable = true;
-    
-    regreet.enable = true;
   };
   services.hypridle.enable = true;
-  
+
   environment.systemPackages = with pkgs; [
     swww
     eww
diff --git a/programs/shell.nix b/programs/shell.nix
index 699a587..36e480a 100644
--- a/programs/shell.nix
+++ b/programs/shell.nix
@@ -12,6 +12,7 @@
   };
 
   environment.systemPackages = with pkgs; [
+    fishPlugins.z
     bc
     jq
     socat
@@ -21,4 +22,4 @@
     lsof
     pciutils
   ];
-}
\ No newline at end of file
+}
diff --git a/programs/utility.nix b/programs/utility.nix
index 3f2467e..b2199fb 100644
--- a/programs/utility.nix
+++ b/programs/utility.nix
@@ -8,6 +8,5 @@
     bat
 
     wezterm
-    kitty
     nixfmt-rfc-style
-  ];}
\ No newline at end of file
+  ];}
diff --git a/programs/v4l2.nix b/programs/v4l2.nix
index 735d139..87e7864 100644
--- a/programs/v4l2.nix
+++ b/programs/v4l2.nix
@@ -4,4 +4,7 @@
     v4l-utils
     ffmpeg
   ];
+  boot.extraModprobeConfig = ''
+    options v4l2loopback devices=2 video_nr=0,1 card_label="Scrcpy Source","OBS VirtualCamera" exclusive_caps=1
+  '';
 }
diff --git a/system/core/default.nix b/system/core/default.nix
index e7a517a..738833e 100644
--- a/system/core/default.nix
+++ b/system/core/default.nix
@@ -2,10 +2,12 @@
   imports = [
     ./nix.nix
     ./boot.nix
-    ./uwsm.nix
     ./locale.nix
     ./network.nix
     ./fonts.nix
     ./sound.nix
+
+    ./uwsm.nix
+    ./regreet.nix
   ];
-}
\ No newline at end of file
+}
diff --git a/system/core/regreet.nix b/system/core/regreet.nix
new file mode 100644
index 0000000..9e9d86c
--- /dev/null
+++ b/system/core/regreet.nix
@@ -0,0 +1,24 @@
+{
+  programs.regreet = {
+    enable = true;
+    settings = {
+      appearance = {
+        greeting_msg = "Welcome back!";
+      };
+      widget = {
+        clock = {
+          format = "%H:%M";
+          resolution = "100ms";
+          timezone = "Asia/Tokyo";
+          label_width = 150;
+        };
+      };
+      GTK = {
+        application_prefer_dark_theme = true;
+      };
+      background = {
+        path = "/usr/share/wallpaper/arknights-image-01.png";
+      };
+    };
+  };
+}