Mayumi Uchida is a female character from High School Fleet, serving as the starboard navigation controller aboard the training ship Harekaze and known by the nickname Mayu-chan.
Mayumi Uchida is responsible for the safety of the starboard side of Harekaze.
She is recognizable for her slightly dark skin, which she insists is the result of tanning rather than her natural complexion.
She has a calm and gentle personality.
At the same time, she dreams of striking it rich and regularly buys lottery tickets within the limits of her allowance.
Her favorite phrase is "sudden wealth".
That ambition also explains one of her biggest life goals: she aimed to become a Blue Mermaid so she could travel the world and buy lottery tickets in many different places.
Personal details
Name: Mayumi Uchida
Nickname: Mayu-chan
Gender: Female
Affiliation: Navigation Department
Position: Starboard Navigation Controller
Birth date: December 6
Zodiac sign: Sagittarius
Birthplace: Namegata, Ibaraki Prefecture
Height: 158 cm
Blood type: B
Preferences and abilities
Hobby: Buying lottery tickets
Special skill: Judo
Favorite food: Tuna sushi
Least favorite food: Barley rice
Favorite color: Gold
Favorite words: Sudden wealth
Best subjects: Politics, economics, and social studies
Weakest subject: Physics
Qualifications and records
Qualification: Assistant Surveyor
Judo rank: First-degree rank
Voice actor: Emi Miyajima
Mayumi is quiet, mild-mannered, and easygoing.
Her peaceful demeanor makes her seem composed, but she also has a very persistent streak when it comes to chasing a jackpot.
She is the kind of person who keeps dreaming big while staying practical enough to spend only what she can afford.
That balance between gentleness and ambition gives her a particularly charming presence.
Mayumi is a childhood friend of Rin Shiretoko.
Because of Rin’s habit of running away from trouble, Mayumi has sometimes been dragged into the consequences of that "run, run" lifestyle.
This connection adds a more personal side to her story.
Even with her quiet nature, she is someone who ends up involved in unexpected situations because of the people close to her.
In judo, Mayumi is especially skilled at groundwork.
However, she struggles with standing techniques, which has made her progress slower than she would like.
Her tanned appearance is one of her most noticeable features.
She firmly claims that her brown skin comes from sun exposure, and not from her natural skin tone.
As the starboard navigation controller of Harekaze, Mayumi helps maintain the ship’s operational safety.
Her role places her among the crew members who keep the vessel functioning smoothly during its voyages.
Although she does not present herself in a flashy way, her mix of reliability, quiet humor, and lottery-fueled ambition makes her memorable.
She stands out as a character whose dreams are surprisingly grand for someone so soft-spoken.
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