diff --git a/app/Rules/FuzzyBoolean.php b/app/Rules/FuzzyBoolean.php
new file mode 100644
index 0000000..ec40d71
--- /dev/null
+++ b/app/Rules/FuzzyBoolean.php
@@ -0,0 +1,62 @@
+<?php
+
+namespace App\Rules;
+
+use Illuminate\Contracts\Validation\Rule;
+
+class FuzzyBoolean implements Rule
+{
+    public static function isTruthy($value): bool
+    {
+        if ($value === 1 || $value === '1') {
+            return true;
+        }
+
+        $lower = strtolower((string)$value);
+
+        return $lower === 'true';
+    }
+
+    public static function isFalsy($value): bool
+    {
+        if ($value === null || $value === '' || $value === 0 || $value === '0') {
+            return true;
+        }
+
+        $lower = strtolower((string)$value);
+
+        return $lower === 'false';
+    }
+
+    /**
+     * Create a new rule instance.
+     *
+     * @return void
+     */
+    public function __construct()
+    {
+        //
+    }
+
+    /**
+     * Determine if the validation rule passes.
+     *
+     * @param  string  $attribute
+     * @param  mixed  $value
+     * @return bool
+     */
+    public function passes($attribute, $value)
+    {
+        return self::isTruthy($value) || self::isFalsy($value);
+    }
+
+    /**
+     * Get the validation error message.
+     *
+     * @return string
+     */
+    public function message()
+    {
+        return __('validation.boolean');
+    }
+}
diff --git a/app/Services/CheckinCsvExporter.php b/app/Services/CheckinCsvExporter.php
index a94ec32..22607a0 100644
--- a/app/Services/CheckinCsvExporter.php
+++ b/app/Services/CheckinCsvExporter.php
@@ -30,7 +30,7 @@ class CheckinCsvExporter
             $csv->addStreamFilter('convert.mbstring.encoding.UTF-8:SJIS-win');
         }
 
-        $header = ['日時', 'ノート', 'オカズリンク'];
+        $header = ['日時', 'ノート', 'オカズリンク', '非公開', 'センシティブ'];
         for ($i = 1; $i <= 32; $i++) {
             $header[] = "タグ{$i}";
         }
@@ -45,6 +45,8 @@ class CheckinCsvExporter
                             $ejaculation->ejaculated_date->format('Y/m/d H:i'),
                             $ejaculation->note,
                             $ejaculation->link,
+                            self::formatBoolean($ejaculation->is_private),
+                            self::formatBoolean($ejaculation->is_too_sensitive),
                         ];
                         foreach ($ejaculation->tags->take(32) as $tag) {
                             $record[] = $tag->name;
@@ -54,4 +56,9 @@ class CheckinCsvExporter
                 });
         });
     }
+
+    private static function formatBoolean($value): string
+    {
+        return $value ? 'true' : 'false';
+    }
 }
diff --git a/app/Services/CheckinCsvImporter.php b/app/Services/CheckinCsvImporter.php
index 1a9572e..2ccf208 100644
--- a/app/Services/CheckinCsvImporter.php
+++ b/app/Services/CheckinCsvImporter.php
@@ -6,6 +6,7 @@ namespace App\Services;
 use App\Ejaculation;
 use App\Exceptions\CsvImportException;
 use App\Rules\CsvDateTime;
+use App\Rules\FuzzyBoolean;
 use App\Tag;
 use App\User;
 use Carbon\Carbon;
@@ -75,6 +76,8 @@ class CheckinCsvImporter
                     '日時' => ['required', new CsvDateTime()],
                     'ノート' => 'nullable|string|max:500',
                     'オカズリンク' => 'nullable|url|max:2000',
+                    '非公開' => ['nullable', new FuzzyBoolean()],
+                    'センシティブ' => ['nullable', new FuzzyBoolean()],
                 ]);
 
                 if ($validator->fails()) {
@@ -88,6 +91,12 @@ class CheckinCsvImporter
                 $ejaculation->note = str_replace(["\r\n", "\r"], "\n", $record['ノート'] ?? '');
                 $ejaculation->link = $record['オカズリンク'] ?? '';
                 $ejaculation->source = Ejaculation::SOURCE_CSV;
+                if (isset($record['非公開'])) {
+                    $ejaculation->is_private = FuzzyBoolean::isTruthy($record['非公開']);
+                }
+                if (isset($record['センシティブ'])) {
+                    $ejaculation->is_too_sensitive = FuzzyBoolean::isTruthy($record['センシティブ']);
+                }
 
                 try {
                     $tags = $this->parseTags($line, $record);
diff --git a/tests/Unit/Services/CheckinCsvImporterTest.php b/tests/Unit/Services/CheckinCsvImporterTest.php
index 8d208bf..f58ae7e 100644
--- a/tests/Unit/Services/CheckinCsvImporterTest.php
+++ b/tests/Unit/Services/CheckinCsvImporterTest.php
@@ -277,6 +277,48 @@ class CheckinCsvImporterTest extends TestCase
         $this->assertEquals(Ejaculation::SOURCE_CSV, $ejaculation->source);
     }
 
+    public function testIsPrivateUTF8()
+    {
+        $user = factory(User::class)->create();
+
+        $importer = new CheckinCsvImporter($user, __DIR__ . '/../../fixture/Csv/private.utf8.csv');
+        $importer->execute();
+
+        $ejaculations = $user->ejaculations()->orderBy('ejaculated_date')->get();
+
+        $this->assertSame(9, $ejaculations->count());
+        $this->assertTrue($ejaculations[0]->is_private);
+        $this->assertTrue($ejaculations[1]->is_private);
+        $this->assertTrue($ejaculations[2]->is_private);
+        $this->assertTrue($ejaculations[3]->is_private);
+        $this->assertFalse($ejaculations[4]->is_private);
+        $this->assertFalse($ejaculations[5]->is_private);
+        $this->assertFalse($ejaculations[6]->is_private);
+        $this->assertFalse($ejaculations[7]->is_private);
+        $this->assertFalse($ejaculations[8]->is_private);
+    }
+
+    public function testIsTooSensitiveUTF8()
+    {
+        $user = factory(User::class)->create();
+
+        $importer = new CheckinCsvImporter($user, __DIR__ . '/../../fixture/Csv/too-sensitive.utf8.csv');
+        $importer->execute();
+
+        $ejaculations = $user->ejaculations()->orderBy('ejaculated_date')->get();
+
+        $this->assertSame(9, $ejaculations->count());
+        $this->assertTrue($ejaculations[0]->is_too_sensitive);
+        $this->assertTrue($ejaculations[1]->is_too_sensitive);
+        $this->assertTrue($ejaculations[2]->is_too_sensitive);
+        $this->assertTrue($ejaculations[3]->is_too_sensitive);
+        $this->assertFalse($ejaculations[4]->is_too_sensitive);
+        $this->assertFalse($ejaculations[5]->is_too_sensitive);
+        $this->assertFalse($ejaculations[6]->is_too_sensitive);
+        $this->assertFalse($ejaculations[7]->is_too_sensitive);
+        $this->assertFalse($ejaculations[8]->is_too_sensitive);
+    }
+
     public function testDontThrowUniqueKeyViolation()
     {
         $user = factory(User::class)->create();
diff --git a/tests/fixture/Csv/private.utf8.csv b/tests/fixture/Csv/private.utf8.csv
new file mode 100644
index 0000000..259b893
--- /dev/null
+++ b/tests/fixture/Csv/private.utf8.csv
@@ -0,0 +1,10 @@
+日時,非公開
+2020/01/23 06:01:00,true
+2020/01/23 06:02:00,TRUE
+2020/01/23 06:03:00,True
+2020/01/23 06:04:00,1
+2020/01/23 07:01:00,false
+2020/01/23 07:02:00,FALSE
+2020/01/23 07:03:00,False
+2020/01/23 07:04:00,0
+2020/01/23 07:05:00,
diff --git a/tests/fixture/Csv/too-sensitive.utf8.csv b/tests/fixture/Csv/too-sensitive.utf8.csv
new file mode 100644
index 0000000..24cd1ef
--- /dev/null
+++ b/tests/fixture/Csv/too-sensitive.utf8.csv
@@ -0,0 +1,10 @@
+日時,センシティブ
+2020/01/23 06:01:00,true
+2020/01/23 06:02:00,TRUE
+2020/01/23 06:03:00,True
+2020/01/23 06:04:00,1
+2020/01/23 07:01:00,false
+2020/01/23 07:02:00,FALSE
+2020/01/23 07:03:00,False
+2020/01/23 07:04:00,0
+2020/01/23 07:05:00,