| You know you need your big sister to protect you!
That hokey old 'bury your elderly grandparents' trope.
Nanami is a boisterous war orphan who was adopted and trained in martial arts by Genkaku, along with the hero. Although they are not related by blood, the bond between the orphans was said to be even stronger than that of family. She always considered herself the older sister, despite her "younger sibling" not knowing their own age.
Despite the distance of the townfolk, Nanami and the hero enjoyed a happy childhood, becoming close friends to Jowy Atreides. When Jowy and the hero signed up for the Unicorn Brigade, Nanami remained in Kyaro Town. When the hero returned, now accused of having been a spy in the massacre of the unit, Nanami immediately fled without hesitation with him to the City-State of Jowston.
Nanami joined Viktor's mercenaries along with the hero. After having witnessed the atrocities of Luca Blight in Toto Village and the death of Anabelle, Nanami began to long to run away from war and live a quiet life. Nanami took Jowy's betrayal and murder of Anabelle particularly hard, at first believing her friend incapable of doing such an act.
However, Nanami instead became more embroiled in the war when the hero became the leader of the New State Army. At first unwilling to accept that her brother was the one to take this role on, Nanami remained protective of him and accompanied him on missions in Greenhill City, the Matilda Knightdom, Muse City, and Tinto Principality.
During the capture of the Matilda Knightdom, Nanami was seriously injured in an attack by Gorudo. As the hero attempted to shield her, Nanami realized that she was putting him at risk because he was willing to die to protect her. Knowing that he would need a home after the war, Nanami decided to return to Kyaro and wait for him, trusting Shu to tell him when the time was right.
After the Dunan Unification War, Nanami reunited with her brother and Jowy, her one wish and hope during the war, and happily set off on a journey with them.
A flawless 28 year old woman.
A bubbly young tomboy, Nanami believed herself capable of acting ladylike, but was more frequently considered a child. Nanami was also a terrible liar and actress, completely unable to fool the guards of North Sparrow Pass and Muse City when attempting to pass through their checkpoints.
Trained by Genkaku, Nanami was a talented martial artist with a strong work ethic, training during the Dunan Unification War through the night. Nanami boasted such skill that even the hero himself had never won a practice round with his adopted sister. Nanami used her skills to try to protect her brother, escorting him on missions to keep him safe even with professional soldiers and mercenaries such as Viktor and Flik by his side.
Nanami was a great fan of cooking, despite her own mediocre talent. She attempted to make a meal for Nash Latkje while in Muse City, to thank him for finding a lost Pilika. The ensuing meal knocked Nash out instantly, forcing him to retire to bed. To the amazement of many, the hero was a fan of Nanami's meals.