Jingei is a fictional character from Kantai Collection, based on the Imperial Japanese Navy submarine tender Jingei. In the franchise, she is portrayed as a calm, mature support-type ship girl associated with submarines and logistics. Her role emphasizes assistance, protection, and coordination rather than frontline combat. As a submarine tender, Jingei represents a vessel that supports underwater operations, making her important for maintaining and enabling submarine forces in the series' naval-themed setting.