diff --git a/app/Services/CheckinCsvImporter.php b/app/Services/CheckinCsvImporter.php
index b4906f5..d99f51a 100644
--- a/app/Services/CheckinCsvImporter.php
+++ b/app/Services/CheckinCsvImporter.php
@@ -147,15 +147,14 @@ class CheckinCsvImporter
     private function parseTags(int $line, array $record): array
     {
         $tags = [];
-        for ($i = 1; $i <= 32; $i++) {
-            $column = 'タグ' . $i;
-            if (empty($record[$column])) {
-                break;
+        foreach (array_keys($record) as $column) {
+            if (preg_match('/\Aタグ\d{1,2}\z/u', $column) !== 1) {
+                continue;
             }
 
             $tag = trim($record[$column]);
             if (empty($tag)) {
-                break;
+                continue;
             }
             if (mb_strlen($tag) > 255) {
                 throw new CsvImportException("{$line} 行 : {$column}は255文字以内にしてください。");
@@ -165,6 +164,9 @@ class CheckinCsvImporter
             }
 
             $tags[] = Tag::firstOrCreate(['name' => $tag]);
+            if (count($tags) >= 32) {
+                break;
+            }
         }
 
         return $tags;
diff --git a/tests/Unit/Services/CheckinCsvImporterTest.php b/tests/Unit/Services/CheckinCsvImporterTest.php
index 0128267..51307da 100644
--- a/tests/Unit/Services/CheckinCsvImporterTest.php
+++ b/tests/Unit/Services/CheckinCsvImporterTest.php
@@ -215,7 +215,7 @@ class CheckinCsvImporterTest extends TestCase
         $importer->execute();
     }
 
-    public function testTagCantAcceptJumpedColumnUTF8()
+    public function testTagCanAcceptJumpedColumnUTF8()
     {
         $user = factory(User::class)->create();
 
@@ -225,8 +225,9 @@ class CheckinCsvImporterTest extends TestCase
         $tags = $ejaculation->tags()->get();
 
         $this->assertSame(1, $user->ejaculations()->count());
-        $this->assertCount(1, $tags);
+        $this->assertCount(2, $tags);
         $this->assertEquals('貧乳', $tags[0]->name);
+        $this->assertEquals('巨乳', $tags[1]->name);
     }
 
     public function testTagCantAcceptMultilineUTF8()
@@ -239,6 +240,20 @@ class CheckinCsvImporterTest extends TestCase
         $importer->execute();
     }
 
+    public function testTagCanAccept32ColumnsUTF8()
+    {
+        $user = factory(User::class)->create();
+
+        $importer = new CheckinCsvImporter($user, __DIR__ . '/../../fixture/Csv/tag-33-column.utf8.csv');
+        $importer->execute();
+        $ejaculation = $user->ejaculations()->first();
+        $tags = $ejaculation->tags()->get();
+
+        $this->assertSame(1, $user->ejaculations()->count());
+        $this->assertCount(32, $tags);
+        $this->assertEquals('み', $tags[31]->name);
+    }
+
     public function testSourceIsCsv()
     {
         $user = factory(User::class)->create();
diff --git a/tests/fixture/Csv/tag-33-column.utf8.csv b/tests/fixture/Csv/tag-33-column.utf8.csv
new file mode 100644
index 0000000..85670a2
--- /dev/null
+++ b/tests/fixture/Csv/tag-33-column.utf8.csv
@@ -0,0 +1,2 @@
+日時,タグ1,タグ2,タグ3,タグ4,タグ5,タグ6,タグ7,タグ8,タグ9,タグ10,タグ11,タグ12,タグ13,タグ14,タグ15,タグ16,タグ17,タグ18,タグ19,タグ20,タグ21,タグ22,タグ23,タグ24,タグ25,タグ26,タグ27,タグ28,タグ29,タグ30,タグ31,タグ32,タグ33
+2020/01/23 06:01,あ,い,う,え,お,か,き,く,け,こ,さ,し,す,せ,そ,た,ち,つ,て,と,な,に,ぬ,ね,の,は,ひ,ふ,へ,ほ,ま,み,む