Nanami belongs to the Senboushi family, whose duty is the butchering and processing of dragons. She possesses specialized expertise in crafting tapestries from dragon hides, having studied leatherworking since childhood with a focus on this intricate art.

Her appearance features pale skin and dark brown hair. She styles her hair in two thin braids running along her ears at the front, leaving the remainder unbraided down her back. She has brown eyes and thick eyebrows. Nanami typically wears a dark green coat adorned with yellow details and two buttons, secured with a light green belt, gray trousers, and brown boots.

Characterized by calmness and reserve, Nanami speaks sparingly, limiting herself to necessary words. Despite this aloof exterior, she is highly observant and considerate, noticing and responding to the needs of others in her interactions.

She mentors Takita in the basics of leatherworking during tapestry creation. Nanami praises Takita's work despite its roughness, demonstrating patience and encouragement. As a farewell gesture, she gifts Takita a dragon leather bracelet and dragon oil intended to help fade a scar, reflecting her thoughtfulness and care.

Nanami shares history with Mika, having met him long ago near the time he joined the crew of the Noragoth. They maintain good terms, and she holds significance in his life as the person who crafted a tapestry from the hide of his first dragon kill, underscoring her established role within the draking community.