- Voice Actor (CV)
- Minami Tsuda
- Role
- Supporting
- Identity
- Chief Engineer aboard submarine I-401 under the Blue Steel faction, a former top-five graduate of the Marine Technology Academy and longtime classmate of Captain Gunzou Chihaya.
Personality
Cheerful & Energetic
Sharp-Minded
Playfully Witty
Technically Focused
Iori Watanuki serves as the backbone of I-401's operational capability, shouldering full responsibility for the submarine's propulsion and energy systems as its Chief Engineer. Among the human crew, she stands as one of the most knowledgeable individuals regarding the advanced technology of the Fleet of Fog. Often found in the engine room, she has cultivated a genuine rapport with the mental model Iona. Her bright, joke-loving personality contrasts seamlessly with her razor-sharp technical focus, making her an indispensable pillar of Blue Steel's mission.