Karen Kino

The main character of the spin-off "Kaguya-sama wo Kataritai." A female student in Class 2-C of the high school division, later in Class 3-A. She is a member of the Mass Media Club and the daughter of a major publishing company's president. According to Erika, she is the "school's number one shipper."

She strongly admires Kaguya and fantasizes about the pairing of Shirogane and Kaguya. In "Kaguya-sama wo Kataritai," she refers to Ishigami, who reads her self-made manga, as "Editor Ishigami," and Ishigami calls her "Namamono-senpai."