As she became the first female manager at a long-standing renovation company, everyone was looking forward to her future success. However, due to her strict work ethic and unyielding nature, she was secretly referred to as "arrogant" by her subordinates. One day, when a complaint came in from a client, she went to apologize... but their anger only escalated upon seeing her attempt to make amends. They demanded that she insert a vibrator as punishment, claiming they couldn't see any signs of remorse. From then on, every time there was a complaint, the mature woman named Kana would be humiliated repeatedly with a fixed vibrator...

老舗のリフォーム会社で初の女部長となり、将来を期待されているかな。だが仕事に厳しく我が道をいく彼女は「傲慢」と陰で部下たちから言われていた。そんなある日、取引先からクレームが入り、謝罪に向かうと…。彼女の謝り方に怒りを爆発させた先方は「反省の色が見えない！」とバイブ挿入を強要するのだった。その後もクレームの度に、かなは固定バイブで辱められ続けて…。