Colletta Langley is a fictional character from the anime series 'Miritari!'. She is portrayed as a young soldier from the Principality of Krakozhia, tasked with protecting Sergeant Sohei Yano. Colletta is known for her distinctive blue hair, enthusiastic personality, and her unwavering dedication to her mission. Despite her youthful appearance and demeanor, she is skilled in combat and committed to her duties. Her interactions with Yano and her fellow soldiers provide both comedic and action-packed moments, adding a unique charm to the series. Her role is central to the plot, providing both protection and comic relief.