diff --git a/hosts/README.md b/hosts/README.md
index dd754025..03869664 100644
--- a/hosts/README.md
+++ b/hosts/README.md
@@ -9,16 +9,15 @@
    3. `ruby`: Another NixOS VM running operation and maintenance related services, such as prometheus, grafana, restic, etc.
    4. `kana`: Yet another NixOS VM running some common applications, such as hompage, file browser, torrent downloader, etc.
 3. Homelab:
-   1. `tailscale_gw`: A tailscale subnet router(gateway) for accessing my homelab remotely. NixOS VM running on Proxmox.
+   1. `tailscale-gw`: A tailscale subnet router(gateway) for accessing my homelab remotely. NixOS VM running on Proxmox.
 4. `rolling_girls`: My RISCV64 hosts.
-   1. `nozomi`: Lichee Pi 4A, TH1520(4xC910@2.0G), 8GB RAM + 32G eMMC + 64G SD Card.
-   2. `yukina`: Lichee Pi 4A(Internal Test Version), TH1520(4xC910@2.0G), 8GB RAM + 8G eMMC + 128G SD Card.
-   3. `chiaya`: Milk-V Mars, JH7110(4xU74@1.5 GHz), 4G RAM + No eMMC + 64G SD Card.
+   1. `nozomi`: Lichee Pi 4A, TH1520(4xC910@2.0G), 16GB RAM + 32G eMMC + 128G SD Card.
+   2. `yukina`: Milk-V Mars, JH7110(4xU74@1.5 GHz), 4G RAM + No eMMC + 64G SD Card.
 5. `12kingdoms`:
    1. `shoukei`: NixOS on Macbook Pro 2020 Intel i5, 13.3-inch, 16G RAM + 512G SSD.
    1. `suzu`: Orange Pi 5, RK3588s(4xA76 + 4xA55), GPU(4Cores, Mail-G610), NPU(6Tops@int8), 8G RAM + 256G SSD.
    1. `rakushun`: Orange Pi 5 Plus, RK3588(4xA76 + 4xA55), GPU(4Cores, Mail-G610), NPU(6Tops@int8), 16G RAM + 2T SSD.
-6. `kubernetes`: My Kubernetes Cluster
+6. `k8s`: My Kubernetes Clusters
 
 ## idols - Oshi no Ko
 
diff --git a/hosts/rolling-girls-chiaya/default.nix b/hosts/rolling-girls-chiaya/default.nix
deleted file mode 100644
index 3f2adac3..00000000
--- a/hosts/rolling-girls-chiaya/default.nix
+++ /dev/null
@@ -1,43 +0,0 @@
-{
-  # nixos-jh7110,
-  myvars,
-  ...
-}:
-#############################################################
-#
-#  Chiaya - NixOS Configuration for Milk-V Mars
-#
-#  WIP, not working yet.
-#
-#############################################################
-let
-  hostName = "chiaya"; # Define your hostname.
-  hostAddress = myvars.networking.hostAddress.${hostName};
-in {
-  imports = [
-  ];
-
-  # Set static IP address / gateway / DNS servers.
-  networking = {
-    inherit hostName;
-    inherit (myvars.networking) defaultGateway nameservers;
-
-    # Failed to enable firewall due to the following error:
-    #   firewall-start[2300]: iptables: Failed to initialize nft: Protocol not supported
-    firewall.enable = false;
-    networkmanager.enable = false;
-    # milkv-mars RJ45 port
-    interfaces.end0 = {
-      useDHCP = false;
-      ipv4.addresses = [hostAddress];
-    };
-  };
-
-  # This value determines the NixOS release from which the default
-  # settings for stateful data, like file locations and database versions
-  # on your system were taken. It‘s perfectly fine and recommended to leave
-  # this value at the release version of the first install of this system.
-  # Before changing this value read the documentation for this option
-  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
-  system.stateVersion = "23.05"; # Did you read the comment?
-}
diff --git a/outputs/README.md b/outputs/README.md
new file mode 100644
index 00000000..f1ea2b9e
--- /dev/null
+++ b/outputs/README.md
@@ -0,0 +1,51 @@
+# Flake Outputs
+
+All the outputs of this flake are defined here.
+
+```bash
+› tree
+.
+├── default.nix       # The entry point, all the outputs are composed here.
+├── README.md
+├── aarch64-darwin    # All outputs for macOS Apple Silicon
+│   ├── default.nix   # The entry point for all outputs for macOS Apple Silicon
+│   └── src
+│       └── fern.nix
+├── aarch64-linux     # All outputs for Linux ARM64
+│   ├── default.nix
+│   └── src
+│       ├── 12kingdoms-rakushun.nix
+│       └── 12kingdoms-suzu.nix
+├── riscv64-linux    # All outputs for Linux RISCV64
+│   ├── default.nix
+│   └── src
+│       ├── rolling-girls-nozomi.nix
+│       └── rolling-girls-yukina.nix
+├── x86_64-darwin   # All outputs for macOS Intel
+│   ├── default.nix
+│   └── src
+│       └── harnomica.nix
+└── x86_64-linux    # All outputs for Linux x86_64
+    ├── default.nix
+    ├── src
+    │   ├── 12kindoms-shoukei.nix
+    │   ├── homelab-tailscale-gw.nix
+    │   ├── idols-ai.nix
+    │   ├── idols-aquamarine.nix
+    │   ├── idols-kana.nix
+    │   ├── idols-ruby.nix
+    │   ├── k3s-prod-1-master-1.nix
+    │   ├── k3s-prod-1-master-2.nix
+    │   ├── k3s-prod-1-master-3.nix
+    │   ├── k3s-prod-1-worker-1.nix
+    │   ├── k3s-prod-1-worker-2.nix
+    │   ├── k3s-prod-1-worker-3.nix
+    │   ├── kubevirt-shoryu.nix
+    │   ├── kubevirt-shushou.nix
+    │   └── kubevirt-youko.nix
+    └── tests
+
+12 directories, 28 files
+```
+
+