diff --git a/hosts/machine/ena/home/default.nix b/hosts/machine/ena/home/default.nix
index b411b77..e07e3bb 100644
--- a/hosts/machine/ena/home/default.nix
+++ b/hosts/machine/ena/home/default.nix
@@ -1,5 +1,6 @@
 {
   config,
+  lib,
   pkgs,
   inputs,
   ...
@@ -25,6 +26,7 @@
     "${inputs.self}/modules/home/devtool/neovim.nix"
     "${inputs.self}/modules/home/spicetify.nix"
     "${inputs.self}/modules/home/devtool/ghostty.nix"
+    "${inputs.self}/modules/home/devtool/btop.nix"
     "${inputs.self}/modules/home/devtool/zed.nix"
     "${inputs.self}/modules/home/firefox-devedition.nix"
     "${inputs.self}/modules/home/discord/linux.nix"
@@ -36,4 +38,6 @@
     ./config/shell.nix
     ./config/plasma.nix
   ];
+
+  programs.btop.settings.color_theme = lib.mkForce "Mizuki Dark";
 }
diff --git a/hosts/machine/kanade/home/default.nix b/hosts/machine/kanade/home/default.nix
index c57cb0d..a1ef452 100644
--- a/hosts/machine/kanade/home/default.nix
+++ b/hosts/machine/kanade/home/default.nix
@@ -20,6 +20,7 @@
   imports = [
     "${inputs.self}/modules/home/devtool/neovim.nix"
     "${inputs.self}/modules/home/devtool/ghostty.nix"
+    "${inputs.self}/modules/home/devtool/btop.nix"
     "${inputs.self}/modules/home/devtool/zed.nix"
     ./config/git.nix
     ./config/shell.nix
diff --git a/hosts/machine/mafuyu/home/default.nix b/hosts/machine/mafuyu/home/default.nix
index 170e7e7..d631156 100644
--- a/hosts/machine/mafuyu/home/default.nix
+++ b/hosts/machine/mafuyu/home/default.nix
@@ -35,6 +35,7 @@
   imports = [
     "${inputs.self}/modules/home/devtool/neovim.nix"
     "${inputs.self}/modules/home/devtool/ghostty.nix"
+    "${inputs.self}/modules/home/devtool/btop.nix"
     "${inputs.self}/modules/home/devtool/zed.nix"
     "${inputs.self}/modules/home/firefox-devedition.nix"
     "${inputs.self}/modules/home/discord/linux.nix"
diff --git a/hosts/machine/mizuki/home/default.nix b/hosts/machine/mizuki/home/default.nix
index 0b86dbd..b4ff690 100644
--- a/hosts/machine/mizuki/home/default.nix
+++ b/hosts/machine/mizuki/home/default.nix
@@ -25,6 +25,7 @@
     "${inputs.self}/modules/home/devtool/neovim.nix"
     "${inputs.self}/modules/home/spicetify.nix"
     "${inputs.self}/modules/home/devtool/ghostty.nix"
+    "${inputs.self}/modules/home/devtool/btop.nix"
     "${inputs.self}/modules/home/devtool/zed.nix"
     "${inputs.self}/modules/home/firefox-devedition.nix"
     "${inputs.self}/modules/home/vicinae.nix"
diff --git a/modules/home/devtool/btop.nix b/modules/home/devtool/btop.nix
new file mode 100644
index 0000000..22ce5da
--- /dev/null
+++ b/modules/home/devtool/btop.nix
@@ -0,0 +1,104 @@
+{
+  programs.btop = {
+    enable = true;
+
+    settings = {
+      color_theme = "Mizuki Light";
+      theme_background = true;
+    };
+
+    themes = {
+      "Mizuki Light" = ''
+        # Kawa / Mizuki light palette
+        theme[main_bg]="#fcf8f9"
+        theme[main_fg]="#191017"
+        theme[title]="#816570"
+        theme[hi_fg]="#1e66f5"
+        theme[selected_bg]="#f4ecee"
+        theme[selected_fg]="#191017"
+        theme[inactive_fg]="#a38f96"
+        theme[graph_text]="#816570"
+        theme[meter_bg]="#f2e6ea"
+        theme[proc_misc]="#ea76cb"
+        theme[cpu_box]="#1e66f5"
+        theme[mem_box]="#40a02b"
+        theme[net_box]="#d20f39"
+        theme[proc_box]="#179299"
+        theme[div_line]="#e6d5db"
+        theme[temp_start]="#40a02b"
+        theme[temp_mid]="#df8e1d"
+        theme[temp_end]="#d20f39"
+        theme[cpu_start]="#40a02b"
+        theme[cpu_mid]="#df8e1d"
+        theme[cpu_end]="#d20f39"
+        theme[free_start]="#40a02b"
+        theme[free_mid]="#df8e1d"
+        theme[free_end]="#d20f39"
+        theme[cached_start]="#179299"
+        theme[cached_mid]="#1e66f5"
+        theme[cached_end]="#ea76cb"
+        theme[available_start]="#179299"
+        theme[available_mid]="#1e66f5"
+        theme[available_end]="#ea76cb"
+        theme[used_start]="#40a02b"
+        theme[used_mid]="#df8e1d"
+        theme[used_end]="#d20f39"
+        theme[download_start]="#179299"
+        theme[download_mid]="#1e66f5"
+        theme[download_end]="#ea76cb"
+        theme[upload_start]="#1e66f5"
+        theme[upload_mid]="#ea76cb"
+        theme[upload_end]="#d20f39"
+        theme[process_start]="#40a02b"
+        theme[process_mid]="#179299"
+        theme[process_end]="#1e66f5"
+      '';
+
+      "Mizuki Dark" = ''
+        # Kawa Dark / Mizuki dark palette
+        theme[main_bg]="#191017"
+        theme[main_fg]="#fafafa"
+        theme[title]="#f5c2e7"
+        theme[hi_fg]="#89b4fa"
+        theme[selected_bg]="#2c1f2d"
+        theme[selected_fg]="#fafafa"
+        theme[inactive_fg]="#a9a9b1"
+        theme[graph_text]="#bac2de"
+        theme[meter_bg]="#2c1f2d"
+        theme[proc_misc]="#f5c2e7"
+        theme[cpu_box]="#89b4fa"
+        theme[mem_box]="#a6e3a1"
+        theme[net_box]="#f38ba8"
+        theme[proc_box]="#94e2d5"
+        theme[div_line]="#4a354c"
+        theme[temp_start]="#a6e3a1"
+        theme[temp_mid]="#f9e2af"
+        theme[temp_end]="#f38ba8"
+        theme[cpu_start]="#a6e3a1"
+        theme[cpu_mid]="#f9e2af"
+        theme[cpu_end]="#f38ba8"
+        theme[free_start]="#a6e3a1"
+        theme[free_mid]="#f9e2af"
+        theme[free_end]="#f38ba8"
+        theme[cached_start]="#94e2d5"
+        theme[cached_mid]="#89b4fa"
+        theme[cached_end]="#f5c2e7"
+        theme[available_start]="#94e2d5"
+        theme[available_mid]="#89b4fa"
+        theme[available_end]="#f5c2e7"
+        theme[used_start]="#a6e3a1"
+        theme[used_mid]="#f9e2af"
+        theme[used_end]="#f38ba8"
+        theme[download_start]="#94e2d5"
+        theme[download_mid]="#89b4fa"
+        theme[download_end]="#f5c2e7"
+        theme[upload_start]="#89b4fa"
+        theme[upload_mid]="#f5c2e7"
+        theme[upload_end]="#f38ba8"
+        theme[process_start]="#a6e3a1"
+        theme[process_mid]="#94e2d5"
+        theme[process_end]="#89b4fa"
+      '';
+    };
+  };
+}