Iroha Hashine serves as a Garde pilot aboard the Sidonia, emerging after the ten-year gap following the television series. Trained under veteran ace Nagate Tanikaze, she belongs to a new generation of pilots. Iroha exhibits a serious-minded and disciplined nature in her duties, often clashing with fellow pilot Kairi Hamagata due to her intolerance for his overconfident attitude during training exercises and missions. Her role focuses on operating advanced Garde units in combat and defense operations against the Gauna threat. Iroha appears exclusively in the film "Love Woven in the Stars," fulfilling her duties within Sidonia's military structure during its events.