TV Osaka Service

16-year-old Haruka lost the people she loved the most in a fire. Haruka is also physically and emotionally wounded from the fire, but she still dreams of becoming a pianist. She takes part in an upcoming competition. Inauspicious incidents then occur around her. Musical student Yosuke, who teaches piano to Haruka, tries to solve the case.

When a new employee from a well-off family begins working for the first she had understood that she is walking into a fabulous working environment. This is what they call a 'white company.' Instead, she is in for a rude shock when the employer turns out to be a 'black company,' which is one with a negative environment, a rude boss, problematic co-workers, abuse and low pay. The employee's father runs a company that happens to go broke. She herself is not a model employee exactly however.