Yotsuba Nakano is a fictional character from the popular manga and anime series The Quintessential Quintuplets, created by Negi Haruba. She is one of five identical sisters, known for her cheerful and energetic personality. Yotsuba is often seen wearing a green hairband and has a distinctive bright smile, which reflects her optimistic outlook on life. In the series, Yotsuba is a high school student who struggles with her studies but excels in sports and physical activities. She is characterized by her strong sense of determination and her desire to support her sisters, particularly in their relationships with Fuutarou Uesugi, their tutor.