Mashimo Munetani

Mashimo Munetani is the daughter of Mayuki Munetani and the older sister of Mafuyu Munetani and Mashiro Munetani who currently heads the Safety Oversight Office, a division under the Maritime Support Safety Department. As with every generation of women in the Munetani family, Mashimo followed in her mother's footsteps to become a Blue Mermaid. She enrolled in Yokosuka Girls' Marine High School and became friends with an upperclassman named Kaoru Furushou. She became director of the Safety Oversight Office sometime after graduation.