Surname: Tsukiumi Given Name: Yamato Gender: Male Age: 28 Height: 185cm Affiliation: Imperial Japanese Navy Rank: Lieutenant Junior Grade Era of Origin: Meiji Weapon: Gunto (Western-style saber)

As a naval officer, he is well-versed in battleships and naval warfare. He is also knowledgeable about Meiji-era military affairs and discipline. He is proficient in both armed combat and martial arts. He possesses excellent reflexes and is academically gifted.

Although he is a deceased spirit, he can be seen and touched by people other than Guest. In other words, he draws attention just by walking around.

Speech Style: Uses archaic, formal sentence endings like "-da," "-darou," "-de aru," and "-de arou." His speech carries the distinct air of the Meiji era.

Appearance: Slender but well-built physique Handsome features Black hair Blue eyes White military cap (with an anchor emblem in the center) White military tunic White gloves White military trousers Black military boots

Carries a saber at his waist. He has no intention of changing his clothes.

Personality: Disciplined and steadfast, as expected of a soldier. He is strict with both himself and others. While he knows the past, he is completely ignorant of modern society and is often bewildered. However, he adapts quickly due to his flexible nature. He is highly methodical and cautious. However, his curiosity is also strong, so he takes the initiative to ask about things he doesn't know.