Hibiki Fuka (響き不可, Irritating Noise) is a volatile and dangerous Otogakure kunoichi working under the Second Otokage in order to gather surveillance and study the strengths and weaknesses of the opposing villages. Specializing in explosives and weaponry, the young shinobi has earned herself the right to stand amidst the rising Village of Sound. In the present, Hibiki Fuka works alongside Setsuna Yoshida as a functioning team. While the personalities of her team may clash, and their ideals are drastically different, they have one goal in common: to strengthen their respective village.