diff --git a/packages/stage-ui/src/components/scenes/live2d/Model.vue b/packages/stage-ui/src/components/scenes/live2d/Model.vue
index 3813e3bc7..1a8dd4ad0 100644
--- a/packages/stage-ui/src/components/scenes/live2d/Model.vue
+++ b/packages/stage-ui/src/components/scenes/live2d/Model.vue
@@ -7,6 +7,7 @@ import { listenBeatSyncBeatSignal } from '@proj-airi/stage-shared/beat-sync'
 import { useTheme } from '@proj-airi/ui'
 import { breakpointsTailwind, until, useBreakpoints, useDebounceFn } from '@vueuse/core'
 import { formatHex } from 'culori'
+import { Mutex } from 'es-toolkit'
 import { storeToRefs } from 'pinia'
 import { DropShadowFilter } from 'pixi-filters'
 import { Live2DFactory, Live2DModel, MotionPriority } from 'pixi-live2d-display/cubism4'
@@ -76,6 +77,8 @@ const modelLoading = ref(false)
 // NOTICE: boolean is sufficient; this flag is only used inside loadModel to bail out if the component unmounts mid-load.
 let isUnmounted = false
 
+const modelLoadMutex = new Mutex()
+
 const offset = computed(() => parsePropsOffset())
 
 const pixiApp = toRef(() => props.app)
@@ -158,6 +161,8 @@ live2dStore.onShouldUpdateView(() => {
 async function loadModel() {
   await until(modelLoading).not.toBeTruthy()
 
+  await modelLoadMutex.acquire()
+
   modelLoading.value = true
   componentState.value = 'loading'
 
@@ -354,6 +359,7 @@ async function loadModel() {
   finally {
     modelLoading.value = false
     componentState.value = 'mounted'
+    modelLoadMutex.release()
   }
 }
 
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index f9cd584cb..aedd97867 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -1678,7 +1678,7 @@ importers:
         version: 4.6.4(vue@3.5.25(typescript@5.9.3))
       vue-sonner:
         specifier: ^2.0.9
-        version: 2.0.9(@nuxt/kit@4.0.3(magicast@0.5.1))(@nuxt/schema@4.0.3)(nuxt@4.0.3(@netlify/blobs@9.1.2)(@parcel/watcher@2.5.0)(@types/node@24.10.4)(@vue/compiler-sfc@3.5.25)(bufferutil@4.0.9)(cac@6.7.14)(db0@0.3.4(drizzle-orm@0.45.1(@opentelemetry/api@1.9.0)(@types/pg@8.16.0)(gel@2.0.0)(pg@8.16.3)(postgres@3.4.7)))(drizzle-orm@0.45.1(@opentelemetry/api@1.9.0)(@types/pg@8.16.0)(gel@2.0.0)(pg@8.16.3)(postgres@3.4.7))(encoding@0.1.13)(eslint@9.39.2(jiti@2.6.1))(ioredis@5.8.2)(less@4.4.2)(lightningcss@1.30.2)(magicast@0.5.1)(optionator@0.9.4)(rolldown@1.0.0-beta.53)(rollup@4.53.3)(terser@5.44.1)(tsx@4.21.0)(typescript@5.9.3)(utf-8-validate@5.0.10)(vite@6.4.1(@types/node@24.10.4)(jiti@2.6.1)(less@4.4.2)(lightningcss@1.30.2)(terser@5.44.1)(tsx@4.21.0)(yaml@2.8.2))(vue-tsc@3.1.8(typescript@5.9.3))(xml2js@0.6.2)(yaml@2.8.2))
+        version: 2.0.9(@nuxt/kit@4.0.3(magicast@0.5.1))(@nuxt/schema@4.0.3)(nuxt@4.0.3(@netlify/blobs@9.1.2)(@parcel/watcher@2.5.0)(@types/node@24.10.4)(@vue/compiler-sfc@3.5.25)(bufferutil@4.0.9)(cac@6.7.14)(db0@0.3.4(drizzle-orm@0.45.1(@opentelemetry/api@1.9.0)(@types/pg@8.16.0)(gel@2.0.0)(pg@8.16.3)(postgres@3.4.7)))(drizzle-orm@0.45.1(@opentelemetry/api@1.9.0)(@types/pg@8.16.0)(gel@2.0.0)(pg@8.16.3)(postgres@3.4.7))(eslint@9.39.2(jiti@2.6.1))(ioredis@5.8.2)(less@4.4.2)(lightningcss@1.30.2)(magicast@0.5.1)(optionator@0.9.4)(rolldown@1.0.0-beta.53)(rollup@4.53.3)(terser@5.44.1)(tsx@4.21.0)(typescript@5.9.3)(utf-8-validate@5.0.10)(vite@6.4.1(@types/node@24.10.4)(jiti@2.6.1)(less@4.4.2)(lightningcss@1.30.2)(terser@5.44.1)(tsx@4.21.0)(yaml@2.8.2))(vue-tsc@3.1.8(typescript@5.9.3))(xml2js@0.6.2)(yaml@2.8.2))
       vue-tsc:
         specifier: ^3.1.8
         version: 3.1.8(typescript@5.9.3)
@@ -29143,7 +29143,7 @@ snapshots:
       - yaml
     optional: true
 
-  nuxt@4.0.3(@netlify/blobs@9.1.2)(@parcel/watcher@2.5.0)(@types/node@24.10.4)(@vue/compiler-sfc@3.5.25)(bufferutil@4.0.9)(cac@6.7.14)(db0@0.3.4(drizzle-orm@0.45.1(@opentelemetry/api@1.9.0)(@types/pg@8.16.0)(gel@2.0.0)(pg@8.16.3)(postgres@3.4.7)))(drizzle-orm@0.45.1(@opentelemetry/api@1.9.0)(@types/pg@8.16.0)(gel@2.0.0)(pg@8.16.3)(postgres@3.4.7))(encoding@0.1.13)(eslint@9.39.2(jiti@2.6.1))(ioredis@5.8.2)(less@4.4.2)(lightningcss@1.30.2)(magicast@0.5.1)(optionator@0.9.4)(rolldown@1.0.0-beta.53)(rollup@4.53.3)(terser@5.44.1)(tsx@4.21.0)(typescript@5.9.3)(utf-8-validate@5.0.10)(vite@6.4.1(@types/node@24.10.4)(jiti@2.6.1)(less@4.4.2)(lightningcss@1.30.2)(terser@5.44.1)(tsx@4.21.0)(yaml@2.8.2))(vue-tsc@3.1.8(typescript@5.9.3))(xml2js@0.6.2)(yaml@2.8.2):
+  nuxt@4.0.3(@netlify/blobs@9.1.2)(@parcel/watcher@2.5.0)(@types/node@24.10.4)(@vue/compiler-sfc@3.5.25)(bufferutil@4.0.9)(cac@6.7.14)(db0@0.3.4(drizzle-orm@0.45.1(@opentelemetry/api@1.9.0)(@types/pg@8.16.0)(gel@2.0.0)(pg@8.16.3)(postgres@3.4.7)))(drizzle-orm@0.45.1(@opentelemetry/api@1.9.0)(@types/pg@8.16.0)(gel@2.0.0)(pg@8.16.3)(postgres@3.4.7))(eslint@9.39.2(jiti@2.6.1))(ioredis@5.8.2)(less@4.4.2)(lightningcss@1.30.2)(magicast@0.5.1)(optionator@0.9.4)(rolldown@1.0.0-beta.53)(rollup@4.53.3)(terser@5.44.1)(tsx@4.21.0)(typescript@5.9.3)(utf-8-validate@5.0.10)(vite@6.4.1(@types/node@24.10.4)(jiti@2.6.1)(less@4.4.2)(lightningcss@1.30.2)(terser@5.44.1)(tsx@4.21.0)(yaml@2.8.2))(vue-tsc@3.1.8(typescript@5.9.3))(xml2js@0.6.2)(yaml@2.8.2):
     dependencies:
       '@nuxt/cli': 3.31.2(cac@6.7.14)(magicast@0.5.1)
       '@nuxt/devalue': 2.0.2
@@ -33401,11 +33401,11 @@ snapshots:
       '@nuxt/schema': 4.0.3
       nuxt: 4.0.3(@netlify/blobs@9.1.2)(@parcel/watcher@2.5.0)(@types/node@24.10.4)(@vue/compiler-sfc@3.5.25)(bufferutil@4.0.9)(cac@6.7.14)(db0@0.3.4(drizzle-orm@0.45.1(@opentelemetry/api@1.9.0)(@types/pg@8.16.0)(gel@2.0.0)(pg@8.16.3)(postgres@3.4.7)))(drizzle-orm@0.45.1(@opentelemetry/api@1.9.0)(@types/pg@8.16.0)(gel@2.0.0)(pg@8.16.3)(postgres@3.4.7))(encoding@0.1.13)(eslint@9.39.2(jiti@2.6.1))(ioredis@5.8.2)(less@4.4.2)(lightningcss@1.30.2)(magicast@0.5.1)(optionator@0.9.4)(rolldown-vite@7.2.11(@types/node@24.10.4)(esbuild@0.25.12)(jiti@2.6.1)(less@4.4.2)(terser@5.44.1)(tsx@4.21.0)(yaml@2.8.2))(rolldown@1.0.0-beta.53)(rollup@2.79.2)(terser@5.44.1)(tsx@4.21.0)(typescript@5.9.3)(utf-8-validate@5.0.10)(vue-tsc@3.1.8(typescript@5.9.3))(xml2js@0.6.2)(yaml@2.8.2)
 
-  vue-sonner@2.0.9(@nuxt/kit@4.0.3(magicast@0.5.1))(@nuxt/schema@4.0.3)(nuxt@4.0.3(@netlify/blobs@9.1.2)(@parcel/watcher@2.5.0)(@types/node@24.10.4)(@vue/compiler-sfc@3.5.25)(bufferutil@4.0.9)(cac@6.7.14)(db0@0.3.4(drizzle-orm@0.45.1(@opentelemetry/api@1.9.0)(@types/pg@8.16.0)(gel@2.0.0)(pg@8.16.3)(postgres@3.4.7)))(drizzle-orm@0.45.1(@opentelemetry/api@1.9.0)(@types/pg@8.16.0)(gel@2.0.0)(pg@8.16.3)(postgres@3.4.7))(encoding@0.1.13)(eslint@9.39.2(jiti@2.6.1))(ioredis@5.8.2)(less@4.4.2)(lightningcss@1.30.2)(magicast@0.5.1)(optionator@0.9.4)(rolldown@1.0.0-beta.53)(rollup@4.53.3)(terser@5.44.1)(tsx@4.21.0)(typescript@5.9.3)(utf-8-validate@5.0.10)(vite@6.4.1(@types/node@24.10.4)(jiti@2.6.1)(less@4.4.2)(lightningcss@1.30.2)(terser@5.44.1)(tsx@4.21.0)(yaml@2.8.2))(vue-tsc@3.1.8(typescript@5.9.3))(xml2js@0.6.2)(yaml@2.8.2)):
+  vue-sonner@2.0.9(@nuxt/kit@4.0.3(magicast@0.5.1))(@nuxt/schema@4.0.3)(nuxt@4.0.3(@netlify/blobs@9.1.2)(@parcel/watcher@2.5.0)(@types/node@24.10.4)(@vue/compiler-sfc@3.5.25)(bufferutil@4.0.9)(cac@6.7.14)(db0@0.3.4(drizzle-orm@0.45.1(@opentelemetry/api@1.9.0)(@types/pg@8.16.0)(gel@2.0.0)(pg@8.16.3)(postgres@3.4.7)))(drizzle-orm@0.45.1(@opentelemetry/api@1.9.0)(@types/pg@8.16.0)(gel@2.0.0)(pg@8.16.3)(postgres@3.4.7))(eslint@9.39.2(jiti@2.6.1))(ioredis@5.8.2)(less@4.4.2)(lightningcss@1.30.2)(magicast@0.5.1)(optionator@0.9.4)(rolldown@1.0.0-beta.53)(rollup@4.53.3)(terser@5.44.1)(tsx@4.21.0)(typescript@5.9.3)(utf-8-validate@5.0.10)(vite@6.4.1(@types/node@24.10.4)(jiti@2.6.1)(less@4.4.2)(lightningcss@1.30.2)(terser@5.44.1)(tsx@4.21.0)(yaml@2.8.2))(vue-tsc@3.1.8(typescript@5.9.3))(xml2js@0.6.2)(yaml@2.8.2)):
     optionalDependencies:
       '@nuxt/kit': 4.0.3(magicast@0.5.1)
       '@nuxt/schema': 4.0.3
-      nuxt: 4.0.3(@netlify/blobs@9.1.2)(@parcel/watcher@2.5.0)(@types/node@24.10.4)(@vue/compiler-sfc@3.5.25)(bufferutil@4.0.9)(cac@6.7.14)(db0@0.3.4(drizzle-orm@0.45.1(@opentelemetry/api@1.9.0)(@types/pg@8.16.0)(gel@2.0.0)(pg@8.16.3)(postgres@3.4.7)))(drizzle-orm@0.45.1(@opentelemetry/api@1.9.0)(@types/pg@8.16.0)(gel@2.0.0)(pg@8.16.3)(postgres@3.4.7))(encoding@0.1.13)(eslint@9.39.2(jiti@2.6.1))(ioredis@5.8.2)(less@4.4.2)(lightningcss@1.30.2)(magicast@0.5.1)(optionator@0.9.4)(rolldown@1.0.0-beta.53)(rollup@4.53.3)(terser@5.44.1)(tsx@4.21.0)(typescript@5.9.3)(utf-8-validate@5.0.10)(vite@6.4.1(@types/node@24.10.4)(jiti@2.6.1)(less@4.4.2)(lightningcss@1.30.2)(terser@5.44.1)(tsx@4.21.0)(yaml@2.8.2))(vue-tsc@3.1.8(typescript@5.9.3))(xml2js@0.6.2)(yaml@2.8.2)
+      nuxt: 4.0.3(@netlify/blobs@9.1.2)(@parcel/watcher@2.5.0)(@types/node@24.10.4)(@vue/compiler-sfc@3.5.25)(bufferutil@4.0.9)(cac@6.7.14)(db0@0.3.4(drizzle-orm@0.45.1(@opentelemetry/api@1.9.0)(@types/pg@8.16.0)(gel@2.0.0)(pg@8.16.3)(postgres@3.4.7)))(drizzle-orm@0.45.1(@opentelemetry/api@1.9.0)(@types/pg@8.16.0)(gel@2.0.0)(pg@8.16.3)(postgres@3.4.7))(eslint@9.39.2(jiti@2.6.1))(ioredis@5.8.2)(less@4.4.2)(lightningcss@1.30.2)(magicast@0.5.1)(optionator@0.9.4)(rolldown@1.0.0-beta.53)(rollup@4.53.3)(terser@5.44.1)(tsx@4.21.0)(typescript@5.9.3)(utf-8-validate@5.0.10)(vite@6.4.1(@types/node@24.10.4)(jiti@2.6.1)(less@4.4.2)(lightningcss@1.30.2)(terser@5.44.1)(tsx@4.21.0)(yaml@2.8.2))(vue-tsc@3.1.8(typescript@5.9.3))(xml2js@0.6.2)(yaml@2.8.2)
 
   vue-sonner@2.0.9(@nuxt/kit@4.0.3(magicast@0.5.1))(@nuxt/schema@4.0.3)(nuxt@4.0.3(@netlify/blobs@9.1.2)(@parcel/watcher@2.5.0)(@types/node@24.10.4)(@vue/compiler-sfc@3.5.25)(bufferutil@4.0.9)(cac@6.7.14)(db0@0.3.4(drizzle-orm@0.45.1(@opentelemetry/api@1.9.0)(@types/pg@8.16.0)(gel@2.0.0)(pg@8.16.3)(postgres@3.4.7)))(drizzle-orm@0.45.1(@opentelemetry/api@1.9.0)(@types/pg@8.16.0)(gel@2.0.0)(pg@8.16.3)(postgres@3.4.7))(eslint@9.39.2(jiti@2.6.1))(ioredis@5.8.2)(less@4.4.2)(lightningcss@1.30.2)(magicast@0.5.1)(optionator@0.9.4)(rolldown@1.0.0-beta.53)(rollup@4.53.3)(terser@5.44.1)(tsx@4.21.0)(typescript@5.9.3)(utf-8-validate@5.0.10)(vite@7.2.7(@types/node@24.10.4)(jiti@2.6.1)(less@4.4.2)(lightningcss@1.30.2)(terser@5.44.1)(tsx@4.21.0)(yaml@2.8.2))(vue-tsc@3.1.8(typescript@5.9.3))(xml2js@0.6.2)(yaml@2.8.2)):
     optionalDependencies: