diff --git a/hosts/tachibana/default.nix b/hosts/tachibana/default.nix
new file mode 100644
index 0000000..bf69da5
--- /dev/null
+++ b/hosts/tachibana/default.nix
@@ -0,0 +1,15 @@
+{inputs, ...}: {
+  imports = [
+    ../../system
+    ./hardware-configuration.nix
+    ./disk.nix
+    inputs.disko.nixosModules.disko
+  ];
+
+  networking.hostName = "tachibana";
+  time.timeZone = "America/Chicago";
+  users.users.ahnwuoa = {
+    isNormalUser = true;
+    extraGroups = ["wheel"];
+  };
+}
diff --git a/hosts/tachibana/disk.nix b/hosts/tachibana/disk.nix
new file mode 100644
index 0000000..295e6c3
--- /dev/null
+++ b/hosts/tachibana/disk.nix
@@ -0,0 +1,52 @@
+{pkgs, ...}: {
+  disko.devices.disk = {
+    main = {
+      device = "/dev/disk/by-id/nvme-Samsung_SSD_9100_PRO_4TB_S7YANJ0Y613585N";
+      type = "disk";
+      content = {
+        type = "gpt";
+        partitions = {
+          ESP = {
+            type = "EF00";
+            size = "1G";
+            content = {
+              type = "filesystem";
+              format = "vfat";
+              mountpoint = "/boot";
+            };
+          };
+          swap = {
+            size = "32G";
+            content = {
+              type = "swap";
+              discardPolicy = "both";
+              resumeDevice = true;
+            };
+          };
+          root = {
+            size = "2T";
+            content = {
+              type = "filesystem";
+              format = "ext4";
+              mountpoint = "/";
+            };
+          };
+          home = {
+            size = "100%";
+            content = {
+              type = "luks";
+              name = "home";
+              settings.allowDiscards = true;
+              passwordFile = "/tmp/secret.key";
+              content = {
+                type = "filesystem";
+                format = "ext4";
+                mountpoint = "/home";
+              };
+            };
+          };
+        };
+      };
+    };
+  };
+}
diff --git a/hosts/tachibana/hardware-configuration.nix b/hosts/tachibana/hardware-configuration.nix
new file mode 100644
index 0000000..f6666c7
--- /dev/null
+++ b/hosts/tachibana/hardware-configuration.nix
@@ -0,0 +1,26 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "nvme" "xhci_pci" "ahci" "thunderbolt" "usb_storage" "usbhid" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp13s0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.wlp12s0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}
diff --git a/hosts/tachibana/users/ahnwuoa/default.nix b/hosts/tachibana/users/ahnwuoa/default.nix
new file mode 100644
index 0000000..d182891
--- /dev/null
+++ b/hosts/tachibana/users/ahnwuoa/default.nix
@@ -0,0 +1,7 @@
+{...}: {
+  imports = [
+    ../../../../user
+  ];
+
+  home.username = "ahnwuoa";
+}