Oyamada Karin

A former idol maid. She was a promising idol, but after a conflict with her agency, she was fabricated into a scandal, her popularity plummeted, and she disappeared from the industry. While she was feeling frustrated, she was scouted by the Tenkuin family, who proposed to her, "Once you have successfully given birth to an heir, you can return to the entertainment industry. We will fully support your return," and she accepted. She has a cute exterior but a calculating dual personality.