diff --git a/backend/app/Http/Controllers/Api/ChildrenController.php b/backend/app/Http/Controllers/Api/ChildrenController.php
index 0c9a6730..5b19a259 100644
--- a/backend/app/Http/Controllers/Api/ChildrenController.php
+++ b/backend/app/Http/Controllers/Api/ChildrenController.php
@@ -552,10 +552,28 @@ class ChildrenController extends Controller {
     public function withdrawal (Request $r) {
         // 削除成功
         try {
-            Child::where('id', (int)$r->child_id)->delete();
+            // DBに入ります。
+            DB::beginTransaction();
+
+            $child = Child::find((int)$r->child_id);
+            $img = $child->image;
+            $child->delete();
+
+            if (!is_null($img)) {
+                $img = str_replace('/files/', '', $child->image);
+                if (!Storage::disk('private')->exists($img)) {
+                    Log::warning($img.'というパスは不正です。');
+                }
+                else {
+                    Storage::disk('private')->delete($img);
+                }
+            }
+
             Session::forget($this->getGuard());
+            DB::commit();
          } catch (\Throwable $e) {
             Log::critical($e->getMessage());
+            DB::rollback();
             return ['status_code' => 400];
         }
 
diff --git a/backend/app/Http/Controllers/Api/FathersController.php b/backend/app/Http/Controllers/Api/FathersController.php
index 8696948c..f03b2ce3 100644
--- a/backend/app/Http/Controllers/Api/FathersController.php
+++ b/backend/app/Http/Controllers/Api/FathersController.php
@@ -518,17 +518,29 @@ class FathersController extends Controller {
 
     public function withdrawal (Request $r) {
         try {
+            // DBに入ります。
+            DB::beginTransaction();
+
             $father = Father::find((int)$r->father_id);
             $img = $father->image;
             $father->delete();
 
             if (!is_null($img)) {
-                Storage::disk('private')->delete($img);
+                $img = str_replace('/files/', '', $father->image);
+                if (!Storage::disk('private')->exists($img)) {
+                    Log::warning($img.'というパスは不正です。');
+                }
+                else {
+                    Storage::disk('private')->delete($img);
+                }
             }
+
             Session::forget($this->getGuard());
+            DB::commit();
         } catch (\Throwable $e) {
             // 失敗
             Log::critical($e->getMessage());
+            DB::rollback();
             return ['status_code' => 400, 'error_messages' => ['親の削除に失敗しました。']];
         }
 
@@ -538,10 +550,29 @@ class FathersController extends Controller {
 
     public function delete ($father_id) {
         try {
-            Father::where('id', (int)$father_id)->delete();
+            // DBに入ります。
+            DB::beginTransaction();
+
+            $father = Father::find((int)$father_id);
+            $img = $father->image;
+            $father->delete();
+
+            if (!is_null($img)) {
+                $img = str_replace('/files/', '', $father->image);
+                if (!Storage::disk('private')->exists($img)) {
+                    Log::warning($img.'というパスは不正です。');
+                }
+                else {
+                    Storage::disk('private')->delete($img);
+                }
+            }
+
+            Session::forget($this->getGuard());
+            DB::commit();
         } catch (\Throwable $e) {
             // 失敗
             Log::critical($e->getMessage());
+            DB::rollback();
             return ['status_code' => 400, 'error_messages' => ['親の削除に失敗しました。']];
         }
 
diff --git a/backend/app/Http/Controllers/Api/MeetingsController.php b/backend/app/Http/Controllers/Api/MeetingsController.php
index 7fe06d80..5572025a 100644
--- a/backend/app/Http/Controllers/Api/MeetingsController.php
+++ b/backend/app/Http/Controllers/Api/MeetingsController.php
@@ -5,6 +5,7 @@ namespace App\Http\Controllers\Api;
 use App\Http\Controllers\Controller;
 use Illuminate\Support\Facades\Validator;
 use Illuminate\Http\Request;
+use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Log;
 use Illuminate\Support\Facades\Storage;
 
@@ -123,7 +124,7 @@ class MeetingsController extends Controller {
                         Storage::disk('private')->put($fname, $image);
                         $quality = 1;
                         $imag = Image::make('/work/storage/app/private/'.$fname)->encode('jpg', $quality);
-                        $img->orientate();
+                        $imag->orientate();
                         $imag->save('/work/storage/app/private/'.$fname);
 
                         $imgname = '/files/'.$fname;
@@ -814,7 +815,7 @@ class MeetingsController extends Controller {
             return ['status_code' => 400];
         }
 
-        if (null === ($get = Meetings::select('pdf')->where('id', (int)$meeting_id)->get())) {
+        if (null === (Meeting::select('id')->where('id', (int)$meeting_id)->get())) {
             return ['status_code' => 400];
         }
 
@@ -823,15 +824,40 @@ class MeetingsController extends Controller {
         }
 
         try {
-            Meeting::where('id', (int)$meeting_id)->delete();
-            Storage::disk('private')->delete($get->pdf);
-            if ($delimg) {
-                foreach ($img as $m) {
-                    Storage::disk('private')->delete($m->image);
+            // DBに入ります。
+            DB::beginTransaction();
+
+            $meeting = Meeting::find((int)$meeting_id);
+            $pdf = $meeting->pdf;
+            $meeting->delete();
+
+            if (!is_null($img)) {
+                $pdf = str_replace('/files/', '', $pdf);
+                if (!Storage::disk('private')->exists($pdf)) {
+                    Log::warning($pdf.'というパスは不正です。');
+                }
+                else {
+                    Storage::disk('private')->delete($pdf);
                 }
             }
+
+            Storage::disk('private')->delete($pdf);
+            if ($delimg) {
+                foreach ($img as $m) {
+                    $image = str_replace('/files/', '', $m->image);
+                    if (!Storage::disk('private')->exists($image)) {
+                        Log::warning($image.'というパスは不正です。');
+                    }
+                    else {
+                        Storage::disk('private')->delete($image);
+                    }
+                }
+            }
+
+            DB::commit();
         } catch (\Throwable $e) {
             Log::critical($e->getMessage());
+            DB::rollback();
             return ['status_code' => 400];
         }