Eri Sawachika is a prominent character in the anime series School Rumble. She is a beautiful and wealthy high school student, known for her blonde hair and striking blue eyes, which make her stand out. Despite her privileged background, Eri struggles with expressing her true feelings, often coming across as tsundere—tough on the outside but soft on the inside. Throughout the series, she develops a complex and evolving relationship with Harima Kenji, the series' male protagonist, which adds depth and humor to the storyline. Eri's growth as a character is central to the series' exploration of teenage emotions and relationships.