diff --git a/README.md b/README.md
index 04fa22a..d15d916 100644
--- a/README.md
+++ b/README.md
@@ -10,8 +10,8 @@ sw_vers
 
 ```
 ProductName:    macOS
-ProductVersion: 13.2
-BuildVersion:   22D49
+ProductVersion: 13.4.1
+BuildVersion:   22F82
 ```
 
 ```zsh
@@ -19,7 +19,7 @@ zsh --version
 ```
 
 ```
-zsh 5.8.1 (x86_64-apple-darwin22.0)
+zsh 5.9 (x86_64-apple-darwin22.0)
 ```
 
 ## Installation
diff --git a/scripts/git.zsh b/scripts/git.zsh
index 20b6f93..a507731 100644
--- a/scripts/git.zsh
+++ b/scripts/git.zsh
@@ -37,40 +37,68 @@ else
   echo "Completed installing pinentry-mac ✅ "
 fi
 
-if gpg --list-secret-keys | grep -q "Tatsuya Okayama <admin@blendthink.dev>" &>/dev/null; then
-  echo 'Key already exists ✅ '
-  exit 0
-fi
-
 mkdir -p "$HOME/.gnupg" && chmod 700 "$HOME/.gnupg"
 echo "pinentry-program $(which pinentry-mac)" >"$HOME/.gnupg/gpg-agent.conf"
 gpgconf --kill gpg-agent
 
-if [[ "$GITHUB_ACTIONS" == 'true' ]]; then
-  gpg --no-tty --pinentry-mode loopback --passphrase passwd --quick-gen-key "Tatsuya Okayama <admin@blendthink.dev>" default default 0
-else
-  gpg --quick-gen-key "Tatsuya Okayama <admin@blendthink.dev>" default default 0
-fi
+function generate_key() {
+  local CONFIG_NAME=$1
+  local USER_NAME=$2
+  local EMAIL=$3
+  local AUTHOR="$USER_NAME <$EMAIL>"
 
-GPG_KEY_ID=$(gpg --list-secret-keys --with-colons | awk -F: '$1 == "sec" {print $5}' | tail -n 1)
-GPG_PUBLIC_KEY=$(gpg --armor --export "$GPG_KEY_ID")
-
-if [[ "$GITHUB_ACTIONS" != 'true' ]]; then
-  yes | gh auth login -h github.com -s admin:gpg_key -p https -w
-  gh api \
-    --method POST \
-    -H "Accept: application/vnd.github+json" \
-    /user/gpg_keys \
-    -f name="blendthink's GPG Key" \
-    -f armored_public_key="$GPG_PUBLIC_KEY"
-fi
+  if gpg --list-secret-keys | grep -q "$AUTHOR" &>/dev/null; then
+    echo "Key already exists ✅ : $AUTHOR"
+    return
+  fi
+
+  if [[ "$GITHUB_ACTIONS" == 'true' ]]; then
+    gpg --no-tty --pinentry-mode loopback --passphrase passwd --quick-gen-key "$AUTHOR" default default 0
+  else
+    gpg --quick-gen-key "$AUTHOR" default default 0
+  fi
+
+  GPG_KEY_ID=$(gpg --list-secret-keys --with-colons | awk -F: '$1 == "sec" {print $5}' | tail -n 1)
+  GPG_PUBLIC_KEY=$(gpg --armor --export "$GPG_KEY_ID")
+
+  if [[ "$GITHUB_ACTIONS" != 'true' ]]; then
+    yes | gh auth login -h github.com -s admin:gpg_key -p https -w
+    gh api \
+      --method POST \
+      -H "Accept: application/vnd.github+json" \
+      /user/gpg_keys \
+      -f name="$AUTHOR's GPG Key" \
+      -f armored_public_key="$GPG_PUBLIC_KEY"
+  fi
+
+  cat <<EOT >>.gitconfig-"$CONFIG_NAME"
+[user]
+    name = "$USER_NAME"
+    EMAIL = "$EMAIL"
+    signingkey = "$GPG_KEY_ID"
+
+EOT
+}
+
+CONFIG_NAME_PRIVATE="private"
+CONFIG_NAME_YUMEMI="yumemi"
+
+USER_NAME="Tatsuya Okayama (blendthink)"
+
+EMAIL_PRIVATE="admin@blendthink.dev"
+EMAIL_YUMEMI="t_okayama@yumemi.co.jp"
+
+generate_key "$CONFIG_NAME_PRIVATE" "$USER_NAME" "$EMAIL_PRIVATE"
 
 git config --global init.defaultBranch main
-git config --global user.name blendthink
-git config --global user.email admin@blendthink.dev
-git config --global user.signingkey "$GPG_KEY_ID"
+git config --global user.name "$USER_NAME"
+git config --global user.EMAIL "$EMAIL_PRIVATE"
 git config --global commit.gpgsign true
 git config --global gpg.program "$(which gpg)"
+git config --global includeIf."gitdir:~/Repos/$CONFIG_NAME_PRIVATE/".path ".gitconfig-$CONFIG_NAME_PRIVATE"
+git config --global includeIf."gitdir:~/Repos/$CONFIG_NAME_YUMEMI/".path ".gitconfig-$CONFIG_NAME_YUMEMI"
+
+generate_key "$CONFIG_NAME_YUMEMI" "$USER_NAME" "$EMAIL_YUMEMI"
 
 GIT_CONFIG_DIR="$HOME/.config/git"
 mkdir -p "$GIT_CONFIG_DIR"