Working as a secretary supporting her father, who serves as company president, Mina is highly regarded as a central figure within the organization, diligently assisting with his daily operations. Suddenly, a coworker named Marufuji begins aggressively pursuing her, his persistent advances leaving Mina distressed and confused. Seeking advice, she confides in her trusted senior colleague, Sugaura, who promises to warn Marufuji and put a stop to his behavior. Relieved for a moment, Mina soon finds the situation spiraling into far more complicated and troubling territory.