diff --git a/app/boards/arm/mikoto/mikoto.zmk.yml b/app/boards/arm/mikoto/mikoto.zmk.yml
index 1b6f2d1b..2898e6bd 100644
--- a/app/boards/arm/mikoto/mikoto.zmk.yml
+++ b/app/boards/arm/mikoto/mikoto.zmk.yml
@@ -8,3 +8,8 @@ outputs:
   - ble
 url: https://github.com/zhiayang/mikoto
 exposes: [pro_micro]
+revisions:
+  - "5.20"
+  - "7.1"
+  - "7.3"
+default_revision: "5.20"
diff --git a/app/build.sh b/app/build.sh
new file mode 100755
index 00000000..ff54270c
--- /dev/null
+++ b/app/build.sh
@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+pristine=""
+if [ $# -gt 0 ] && [ "$1" = "-p" -o "$1" = "--pristine" ]; then
+	pristine="--pristine"
+fi
+
+COMMON_ARGS=(
+	"-DZEPHYR_TOOLCHAIN_VARIANT=zephyr"
+	"-DZEPHYR_SDK_INSTALL_DIR=/opt/pacman/opt/zephyr-sdk"
+	"-DZMK_CONFIG=$(pwd)/../../zmk-config/config"
+	"-Wno-dev"
+)
+
+set -x
+
+west build -d build/left -b mikoto_520 ${pristine} -- -DSHIELD=misaka_left "${COMMON_ARGS[@]}"   && mv build/left/zephyr/zmk.uf2 ./left.uf2
+west build -d build/right -b mikoto_520 ${pristine} -- -DSHIELD=misaka_right "${COMMON_ARGS[@]}" && mv build/right/zephyr/zmk.uf2 ./right.uf2
+
+
diff --git a/app/left.uf2 b/app/left.uf2
new file mode 100644
index 00000000..3f405dd0
Binary files /dev/null and b/app/left.uf2 differ
diff --git a/app/right.uf2 b/app/right.uf2
new file mode 100644
index 00000000..677a22c0
Binary files /dev/null and b/app/right.uf2 differ