Sonetto is a mysterious and enigmatic character from the anime series 'Reverse: 1999.' Known for their calm demeanor and sharp intellect, Sonetto plays a crucial role in the series as a strategist who helps the main characters navigate the complexities of their world. Often seen as a mentor figure, Sonetto provides guidance and wisdom to the protagonists as they face various challenges. Despite their enigmatic nature, Sonetto's loyalty and dedication to their friends are unwavering, making them a beloved and vital member of the team.