Shizuka Hozumi, occasionally referenced as Shizuka Hazumi, operates as the sonar specialist aboard the submarine I-401, where her expertise in identifying and assessing submerged threats proves vital to the crew’s tactical survival. Skilled in combat, she independently executes calculated strategies to dismantle hostile incursions.

Her appearance features sharp gray eyes framed by blunt bangs and waist-length black hair, often accompanied by practical glasses and a subtle necklace. Though her past is shrouded in mystery, records indicate a prior residence in Taiwan, suggesting a history of migration or undisclosed journeys before her enlistment. The specifics of her origins and personal trajectory remain unrecorded, preserving an air of enigma around her persona.