Marina, who works part-time in a warehouse for a minimum wage of 951 yen per hour due to her husband's low income and their struggling financial situation. Despite their efforts to manage their finances together for the sake of their beloved son, life becomes too difficult each month, and she ends up stealing some products. Seeing this, the warehouse manager, Mr. Oki, unable to stand by any longer, suggests to Marina, "I'll keep quiet about this, how about you take on a side job?" To protect her family, she agrees to compromise herself. Rumors quickly spread throughout the warehouse that Marina "will take care of you for 951 yen," and thus begins her labor as a flesh servant...