Nagi Arato

Name: Nagi Arato

Japanese name: 荒砥 凪

Age: 24

Hair Color: Black

Eye Color: Gray

Occupation: Graduate student (Mineralogy)

Affiliation: Mineralogy research and fieldwork

Voice actress (Japanese): Asami Seto 

Nagi Arato is the deuteragonist of Ruri no Hōseki, portrayed as an intelligent and passionate graduate student specializing in mineralogy. At 24 years old, she combines academic knowledge with hands-on field experience, guiding others into the world of minerals and earth sciences.

In her appearance, Nagi has long black hair and gray eyes, and she is typically dressed in practical fieldwork attire, such as a white button-down shirt and sturdy jeans suitable for geological expeditions. Her calm confidence and expertise make her a natural mentor figure within the story.

Personality-wise, Nagi is patient, knowledgeable, and dedicated. She eagerly shares her passion for mineralogy with those around her, particularly with the enthusiastic Ruri Tanigawa, whom she mentors. Nagi’s depth of knowledge allows her to explain complex concepts about rocks and stones in an accessible way, encouraging Ruri and others to learn through direct observation and experimentation.

Throughout the series, Nagi’s role goes beyond instruction. She participates in fieldwork, helping identify minerals such as quartz, garnet, pyrite, and fluorite, and she uses tools like hammers, panning dishes, and maps to teach proper techniques. Her presence brings a grounded scientific perspective to the narrative, balancing Ruri’s youthful enthusiasm with methodical inquiry and careful explanation.

Relationships play a key part in Nagi’s story. Her mentorship of Ruri fosters a close bond built on mutual curiosity and respect, highlighting the joy of shared discovery. She also collaborates with classmates and fellow enthusiasts, forming a supportive community united by a love of geology and exploration.

For fans and collectors, Nagi Arato’s poised design and her role as a knowledgeable guide make her a standout character. Explore Nagi Arato figures and merchandise in our webshop and bring this mineral-loving mentor into your collection.