diff --git a/apps/stage-tamagotchi/src/main/index.ts b/apps/stage-tamagotchi/src/main/index.ts
index ab85349a5..b0523aa6c 100644
--- a/apps/stage-tamagotchi/src/main/index.ts
+++ b/apps/stage-tamagotchi/src/main/index.ts
@@ -177,4 +177,28 @@ app.whenReady().then(() => {
     rebuildTrayMenu()
     createApplicationMenu(i18n, showQuitDialog, createSettingsWindow)
   })
+
+  ipcMain.on('start-resize-window', () => {
+    mainWindow.setResizable(true)
+  })
+
+  ipcMain.on('stop-resize-window', () => {
+    mainWindow.setResizable(false)
+  })
+
+  ipcMain.handle('stop-move-window', () => {
+    return mainWindow.getPosition()
+  })
+
+  ipcMain.on('window-size-changed', (_, width: number, height: number) => {
+    if (width === 0 || height === 0) {
+      mainWindow.setSize(300 * 1.5, 400 * 1.5) // back to default size
+      return
+    }
+    mainWindow.setSize(width, height)
+  })
+
+  ipcMain.on('window-position-changed', (_, x: number, y: number) => {
+    mainWindow.setPosition(x, y)
+  })
 })
diff --git a/apps/stage-tamagotchi/src/renderer/src/App.vue b/apps/stage-tamagotchi/src/renderer/src/App.vue
index 049ccfac7..531da5988 100644
--- a/apps/stage-tamagotchi/src/renderer/src/App.vue
+++ b/apps/stage-tamagotchi/src/renderer/src/App.vue
@@ -1,11 +1,20 @@
 <script setup lang="ts">
 import { useSettings } from '@proj-airi/stage-ui/stores'
+import { useEventListener } from '@vueuse/core'
 import { onMounted, watch } from 'vue'
 import { useI18n } from 'vue-i18n'
 import { RouterView } from 'vue-router'
 
+import { useWindowControlStore } from './stores/window-controls'
+
 const settings = useSettings()
 const i18n = useI18n()
+const windowControlStore = useWindowControlStore()
+
+useEventListener(window, 'resize', () => {
+  windowControlStore.size.width = window.innerWidth
+  windowControlStore.size.height = window.innerHeight
+})
 
 watch(() => settings.language, (language) => {
   i18n.locale.value = language
@@ -15,6 +24,8 @@ watch(() => settings.language, (language) => {
 // FIXME: store settings to file
 onMounted(() => {
   window.electron.ipcRenderer.send('locale-changed', settings.language)
+  window.electron.ipcRenderer.send('window-size-changed', windowControlStore.size.width, windowControlStore.size.height)
+  window.electron.ipcRenderer.send('window-position-changed', windowControlStore.position.x, windowControlStore.position.y)
 })
 </script>
 
diff --git a/apps/stage-tamagotchi/src/renderer/src/pages/index.vue b/apps/stage-tamagotchi/src/renderer/src/pages/index.vue
index f728450e5..214ca0c2f 100644
--- a/apps/stage-tamagotchi/src/renderer/src/pages/index.vue
+++ b/apps/stage-tamagotchi/src/renderer/src/pages/index.vue
@@ -71,6 +71,21 @@ const modeIndicatorClass = computed(() => {
       </div>
     </div>
   </Transition>
+  <Transition
+    enter-active-class="transition-opacity duration-250"
+    enter-from-class="opacity-0"
+    enter-to-class="opacity-100"
+    leave-active-class="transition-opacity duration-250"
+    leave-from-class="opacity-100"
+    leave-to-class="opacity-0"
+  >
+    <div
+      v-if="windowStore.controlMode === WindowControlMode.RESIZE"
+      class="absolute left-0 top-0 z-999 h-full w-full"
+    >
+      <div h-full w-full animate-flash animate-duration-2.5s animate-count-infinite b-8 b-pink rounded-2xl />
+    </div>
+  </Transition>
 </template>
 
 <style scoped>
diff --git a/apps/stage-tamagotchi/src/renderer/src/stores/window-controls.ts b/apps/stage-tamagotchi/src/renderer/src/stores/window-controls.ts
index c609aeb9d..76dc0ec8f 100644
--- a/apps/stage-tamagotchi/src/renderer/src/stores/window-controls.ts
+++ b/apps/stage-tamagotchi/src/renderer/src/stores/window-controls.ts
@@ -1,3 +1,4 @@
+import { useLocalStorage } from '@vueuse/core'
 import { defineStore } from 'pinia'
 import { ref } from 'vue'
 
@@ -6,9 +7,21 @@ import { WindowControlMode } from '../types/window-controls'
 export const useWindowControlStore = defineStore('windowControl', () => {
   const controlMode = ref<WindowControlMode>(WindowControlMode.DEFAULT)
   const isControlActive = ref(false)
+  const size = useLocalStorage('window/control/size', { width: 300 * 1.5, height: 400 * 1.5 })
+  const position = useLocalStorage('window/control/position', { x: 0, y: 0 })
 
   function setMode(mode: WindowControlMode) {
     controlMode.value = mode
+
+    if (mode === WindowControlMode.RESIZE) {
+      window.electron.ipcRenderer.send('start-resize-window')
+      return
+    }
+
+    window.electron.ipcRenderer.invoke('stop-move-window').then((p: [number, number]) => {
+      position.value = { x: p[0], y: p[1] }
+    })
+    window.electron.ipcRenderer.send('stop-resize-window')
   }
 
   function toggleControl() {
@@ -21,6 +34,8 @@ export const useWindowControlStore = defineStore('windowControl', () => {
   return {
     controlMode,
     isControlActive,
+    size,
+    position,
     setMode,
     toggleControl,
   }