// paste di atas /b:skin

.over18 #age-verify {display: none}

// paste di atas /head

<script defer='defer' fetchpriority='low'>//<![CDATA[
if (localStorage.getItem('isVerified')) {
    document.documentElement.classList.add('over18')
  }
//]]></script>

// Cari id='Blog1' 
scroll ke bawah paste di atas id='main' var='this'

<b:includable id='allert'>

<!-- Main modal -->
<div aria-hidden='true' class='fixed top-0 left-0 right-0 z-50 w-full p-4 overflow-x-hidden overflow-y-auto h-full max-h-full justify-center items-center hidden bg-accent/50 backdrop-blur' data-modal-backdrop='static' id='age-verify' tabindex='-1'>
  <div class='relative w-full max-w-2xl max-h-full text-sm'>
    <!-- Modal content -->
    <div class='relative bg-white rounded-lg shadow dark:bg-gray-700'>
      <!-- Modal header -->
      <div class='flex items-start justify-between p-4 border-b rounded-t dark:border-gray-600'>
        <h3 class='text-xl font-semibold text-gray-900 dark:text-white'>
          Age Verification
        </h3>
      </div>
      <!-- Modal body -->
      <div class='p-4 space-y-4'>
        <p class='leading-relaxed text-gray-500 dark:text-gray-400'>
          By clicking Yes, I certify that I am over the age of 18 and will comply with the above statement.
        </p>
        <p class='leading-relaxed text-gray-500 dark:text-gray-400'>
          Please, verify your age to enter.
        </p>
      </div>
      <!-- Modal footer -->
      <div class='flex items-center p-6 space-x-2 border-t border-gray-200 rounded-b dark:border-gray-600'>
        <button class='text-white bg-red-600 hover:bg-red-800 focus:ring-4 focus:outline-none focus:ring-red-300 dark:focus:ring-red-800 font-medium rounded-lg inline-flex items-center px-5 py-2.5 text-center mr-2' data-modal-hide='age-verify' data-modal-target='age-verify' id='over18' type='button'>Yes,I am over 18</button>
        <a class='text-gray-500 bg-white hover:bg-gray-100 focus:ring-4 focus:outline-none focus:ring-blue-300 rounded-lg border border-gray-200 text-sm font-medium px-5 py-2.5 hover:text-gray-900 focus:z-10 dark:bg-gray-700 dark:text-gray-300 dark:border-gray-500 dark:hover:text-white dark:hover:bg-gray-600 dark:focus:ring-gray-600' expr:href='data:blog.homepageUrl'>Back to Homepage</a>
      </div>
    </div>
  </div>
</div>
</b:includable>

// paste di bawah <data:post.body/>
// lokasinya bisa berbeda inspece element untuk meneukan lokasinya.

<b:include cond='data:post.labels any ( l =&gt; l.name in [&quot;Ecchi&quot;, &quot;Gore&quot;, &quot;NSFW&quot;] )' name='allert'/>

// paste di atas /body
<script defer='defer' fetchpriority='low'>//<![CDATA[
var root = document.documentElement
var button = document.querySelector('#over18')
button.addEventListener('click', () => {

  root.classList.toggle('over18')

  if (root.classList.contains('over18')) {
    localStorage.setItem('isVerified', '1')
  } else {
    localStorage.removeItem('isVerified')
  }

})
//]]></script>