diff --git a/keyboards/ymdk/ymd09/keymaps/vial/config.h b/keyboards/ymdk/ymd09/keymaps/vial/config.h
new file mode 100644
index 0000000000..c8f5adcc6a
--- /dev/null
+++ b/keyboards/ymdk/ymd09/keymaps/vial/config.h
@@ -0,0 +1,11 @@
+/* Vial configuration */
+
+#pragma once
+
+#define VIAL_KEYBOARD_UID {0x44, 0x71, 0x9C, 0x1D, 0x1A, 0xCF, 0x55, 0xDA}
+
+
+#define VIAL_UNLOCK_COMBO_ROWS { 0, 2 }
+#define VIAL_UNLOCK_COMBO_COLS { 0, 2 }
+
+/* VIAL_INSECURE = yes */
diff --git a/keyboards/ymdk/ymd09/keymaps/vial/keymap.c b/keyboards/ymdk/ymd09/keymaps/vial/keymap.c
new file mode 100644
index 0000000000..e84b587a36
--- /dev/null
+++ b/keyboards/ymdk/ymd09/keymaps/vial/keymap.c
@@ -0,0 +1,20 @@
+#include QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+  [0] = LAYOUT(KC_KP_7, KC_KP_8, KC_KP_9,
+               KC_KP_4, LT(1, KC_KP_5), KC_KP_6,
+               KC_KP_1, KC_KP_2, KC_KP_3),
+
+  [1] = LAYOUT(RGB_RMOD, RGB_VAI, RGB_MOD,
+               RGB_HUI, RESET, RGB_SAI,
+               RGB_HUD, RGB_VAD, RGB_SAD),
+
+  [2] = LAYOUT(KC_TRNS, KC_TRNS, KC_TRNS,
+               KC_TRNS, KC_TRNS, KC_TRNS,
+               KC_TRNS, KC_TRNS, KC_TRNS),
+
+  [3] = LAYOUT(KC_TRNS, KC_TRNS, KC_TRNS,
+               KC_TRNS, KC_TRNS, KC_TRNS,
+               KC_TRNS, KC_TRNS, KC_TRNS),
+};
diff --git a/keyboards/ymdk/ymd09/keymaps/vial/readme.md b/keyboards/ymdk/ymd09/keymaps/vial/readme.md
new file mode 100644
index 0000000000..e4e18c7c66
--- /dev/null
+++ b/keyboards/ymdk/ymd09/keymaps/vial/readme.md
@@ -0,0 +1,3 @@
+Vial Support for YMDK YMD09
+
+make ymdk/ymd09:vial
diff --git a/keyboards/ymdk/ymd09/keymaps/vial/rules.mk b/keyboards/ymdk/ymd09/keymaps/vial/rules.mk
new file mode 100644
index 0000000000..7e0cf67c8a
--- /dev/null
+++ b/keyboards/ymdk/ymd09/keymaps/vial/rules.mk
@@ -0,0 +1,5 @@
+VIA_ENABLE = yes
+VIAL_ENABLE = yes
+LTO_ENABLE = yes
+QMK_SETTINGS = no
+TAP_DANCE_ENABLE = no
diff --git a/keyboards/ymdk/ymd09/keymaps/vial/vial.json b/keyboards/ymdk/ymd09/keymaps/vial/vial.json
new file mode 100644
index 0000000000..e9758c1ae1
--- /dev/null
+++ b/keyboards/ymdk/ymd09/keymaps/vial/vial.json
@@ -0,0 +1,29 @@
+{
+  "name": "YMDK YMD09",
+  "vendorId": "0x594D",
+  "productId": "0x4409",
+  "lighting": "qmk_rgblight",
+  "matrix" : {
+      "rows": 3,
+      "cols": 3
+  },
+  "layouts" : {
+      "keymap" : [
+          [
+              "0,0",
+              "0,1",
+              "0,2"
+          ],
+          [
+              "1,0",
+              "1,1",
+              "1,2"
+          ],
+          [
+              "2,0",
+              "2,1",
+              "2,2"
+          ]
+      ]
+  }
+}