Yda Tsubasa is a prominent character in the anime series Busou Shinki. Known for her exceptional combat skills, Yda is a Shinki model designed for battle, equipped with advanced weaponry and armor. She is characterized by her unwavering loyalty and fierce determination to protect her master. In the series, Yda plays a crucial role as both a protector and a companion, often showcasing her bravery and strategic prowess in various battles. Despite her combative nature, she has a gentle side, showing deep care for her master and fellow Shinki.