Yume Atenbo (阿天坊 ゆめあてんぼう ゆめ, Atenbo Yume) is a supporting character in the series. She is the president of the Occult Research Club. Yume has long black hair and normally keeps her eyes closed. She normally wears the standard Shuchi'in Academy High School girls' uniform, along with a sweater in colder months. Yume is described as someone that loves to tease couples. Most of her predictions are excuses for sexual harassment. Yume took part in a fortune-telling stand during the Devoted Hearts Festival.

Kaguya-sama: Love is War
Student council president Miyuki Shirogane and vice-president Kaguya Shinomiya appear to be the perfect couple. Kaguya is the daughter of a wealthy conglomerate family, and Miyuki is the top student at the school and well-known across the prefecture. Although they like each other, they are too proud to confess their love as they believe whoever does so first would lose. The story follows their many schemes to make the other one confess.

Kaguya-sama: Love is War Season 2
After a slow but eventful summer vacation, Shuchiin Academy's second term is now starting in full force. As August transitions into September, Miyuki Shirogane's birthday looms ever closer, leaving Kaguya Shinomiya in a serious predicament as to how to celebrate it. Furthermore, the tenure of the school's 67th student council is coming to an end. Due to the council members being in different classes, the only time Kaguya and Miyuki have to be together will soon disappear, putting all of their cunning plans at risk. A long and difficult election that will decide the fate of the new student council awaits, as multiple challengers fight for the coveted title of president.