Saki Nagatsuka is a character from the anime series Ro-Kyu-Bu! She is a fifth-grade student who plays as a point guard in the girls' basketball team. Saki is known for her intelligence and leadership skills, often acting as a strategist during games. Her calm and collected demeanor allows her to make quick decisions on the court, making her an invaluable member of the team. Throughout the series, she helps her teammates improve their skills and fosters a strong sense of camaraderie, playing a crucial role in their development both on and off the court.