Sumireko Sanshokuin

Sumireko Sanshokuin conceals her striking appearance behind thick-rimmed glasses and long braided hair, blending into the background of daily school life. She stands apart as the only person capable of seeing through the male lead's carefully crafted facade, becoming utterly captivated by his true self. Using the school library as her stage, she employs sharp wit and subtle coercion to keep him close. Though her methods may border on obsessive and her words rarely soften, her extraordinary insight works quietly behind the scenes—protecting and guiding him in ways others never notice.