Depicted as having long brown hair in a ponytail with multiple cherry blossoms in her hair, and often carrying an oriental umbrella with a shaft based on the battleship's distinctive mast.

Because her historical counterpart had a career mostly based around impressing people, Yamato is often depicted as shy and soft-spoken. She also has a tendency to speak in third person, and in a very polite/honorific manner.

She's depicted as lacking combat experience due to the real Yamato not having been used extensively in many naval operations during World War II.

Dislikes being called a Hotel, a reputation she's built due to her lack of use as an actual warship and the commodities the real-life ship contained. However, she's not above calling herself Hotel Yamato.