Sasame

is a young kunoichi of the Fūma clan.

Fuma Clan arc
While searching for her cousin, Arashi Fuma, Sasame approaches Kamikiri Fuma, Kagero Fuma, and Jigumo Fuma for help. She takes part in a fake battle with them to win the trust of Naruto, Sakura, and Jiraiya, who tend to her after rescuing her. After with fighting the other Fuma again, she leads the three to Orochimaru's lair. She lures them to When she did locate the lair, she ended up in a rope trap where she persuaded the three to let her help in exchange for seeing Arashi.

Sasame planned on giving Naruto, Jiraiya ,and Sakura tea with a drug to make them fall asleep, and handing them over to Kamikiri in exchange for being allowed to see Arashi. However, the plan failed when Kamikiri revealed that he wanted to kill them instead of capturing them, and Sasame was knocked unconscious when she protested against that. Naruto, Sakura, and Jiraiya revealed that they had only pretended to go along with her plan, and defeated the three Fuma ninja. Almost as soon as she regained consciousness, Sasame tried to commit suicide over having failed, but Jiraiya stopped her and convinced her to show them to the hideout.

Despite being ordered to stay behind, Sasame follows Naruto into the hideout and saves him from a slowly flooding room by opening the trapdoor, allowing him to catch up with Sakura. She later saves Naruto from Kagero (who was disguised as Kabuto Yakushi) by giving Sakura a seal that will free them from her attack. When she met Arashi, she saw what had become of her cousin she decided to help Naruto and Sakura in defeating him. After the incident, she decided to join forces with Hanzaki Fuma and the remaining members of the Fuma clan to rebuild the clan's former glory.