Eru Chitanda is a central character in the anime series Hyouka. She is a high school student with a curious and inquisitive nature, often driven by her fascination with mysteries. Eru is a member of the Classic Literature Club at Kamiyama High School and plays a pivotal role in the club's investigations. Her persistence and enthusiasm often propel the club into solving various mysteries. Despite her gentle demeanor, she is determined and can be quite persuasive when it comes to uncovering the truth. Eru's captivating personality and genuine interest in others make her a beloved character in the series.