Noa has long blonde hair and wears a blue shoulderless dress that hangs to the floor.
Noa is polite, as shown when speaking to Cordelia in the sidequest, Keeping up with the Wyndhams. She also possesses a strong desire for independence due to her disability, and wishes to see the world.
Noa was born with weak legs, and thus struggled with traveling anywhere on her own. 12 years prior to the events of Octopath Traveler, her father, one of the wealthiest men on the continent, began investing in an annual auction of gifts in Grandport for her sake.
Noa meets Tressa shortly before the annual auction. Tressa becomes determined to enter Graham Crossford's notebook in the auction, despite its lack of monetary value, in hopes that it will make a difference in Noa's life. Tressa is ridiculed during the auction, but Noa chooses her entry as the winner and continues the diary where Tressa left off.
Noa met Cordelia when she was young, while the latter was taking a trip to Grandport. They became good friends and penpals, often writing each other letters and stories. When bandits began stealing their letters, Cordelia came to Grandport to check on her safety.