Mashimo Munetani is a female character from High School Fleet, the eldest daughter of the Munetani family and the head of the Blue Mermaid Safety Supervisory Office, where she serves as a First Class Safety Supervisor.
Mashimo Munetani is the daughter of Mayuki Munetani and the older sister of Mafuyu Munetani and Mashiro Munetani.
She comes from the prestigious Munetani family, a lineage closely tied to the Blue Mermaids across generations.
She is a model elite with a serious personality and an exceptional academic record.
At the Marine High School, she achieved the rare distinction of entering at the top of her class and graduating first as well.
As director of the Safety Supervisory Office and a First Class Safety Supervisor, she is effectively the Blue Mermaids' highest-ranking active authority.
At her mother’s request, she throws herself into investigations surrounding major incidents and the safety of training ships.
During the crisis involving the training ships, Mashimo worked to locate and protect vessels such as Harekaze while also investigating the cause of the abnormal events.
When she visited the hospital to see Kaoru Furushou, she happened to overhear a conversation among personnel from a marine research institution.
That chance encounter led her to conduct her own inquiry.
Through this investigation, she uncovered the existence of RATt and identified it as the cause of the abnormal incidents, then reported her findings to Mayuki Munetani.
After the true nature of RATt became clear, she devised the large-scale rescue mission known as Operation Perseus.
She then took command of the operation to save the infected ships, including Musashi.
Mashimo is extremely serious, disciplined, and dependable when carrying out her duties.
She handles missions with an iron will and is known for her strict and uncompromising professionalism.
Outside of work, however, she has a surprisingly sloppy side.
She is also notably fond of sweets, which adds a charming contrast to her stern public image.
She is portrayed as highly capable in every academic subject and has no weak areas.
This all-around excellence reinforces her reputation as one of the most accomplished figures in the Blue Mermaids.
Mashimo is the eldest of the Munetani sisters.
She is nine years older than Mashiro Munetani, according to the setting materials.
She also appears to have known the mother of Moeka China, a senior member of the Blue Mermaids and captain of Musashi.
In the film, Mashimo boards the student fleet flagship Musashi as the on-site commander, taking over field responsibility from Mayuki while Moeka serves as captain.
Personal Information
Name: Mashimo Munetani
Gender: Female
Birthday: May 1
Birthplace: Yokosuka, Kanagawa Prefecture
Height: 162 cm
Nickname: Mashimon
Voice Actor: Mai Nakahara
Occupation
Position: Director of Information Investigation, Blue Mermaid Safety Supervisory Office
Rank: First Class Safety Supervisor
Preferences and Abilities
Hobbies / Special Skills: Water skiing, winter skiing
Favorite Foods: Hamburgers, sugar candy
Best Subject: All subjects
Weak Subject: None
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