Hitori Koyama

Hitori Koyama (湖山ひとり, Koyama Hitori) is from  who served  in the, while utilizing the codename Shisaku (シさく).

Early Life
Hitori was born into a family that was trying to establish itself as a prominent clan within, through an arranged marriage seeking to deepen the relationship between the aforementioned village and. Due to this both her parents were quite absent from her early upbringing, instead focusing on their sociopolitical objectives. This left Hitori to be raised by various attendants to her family, but prevented her from developing a close relationship with parents. Despite their lack of presence Hitori's activities were incredibly structured. More specifically, the young girl was subjected to a rigorous schedule of intellectual, physical, and aesthetic educational endeavors.

Young Kunoichi of the Leaf
Due to her pre-academy education Hitori demonstrated exemplary talent and skill in the shinobi academy, and thus managed to graduate to the rank of at the age of nine. This led to her immediate placement upon within a squad of four, who would undergo several missions together over the course of two years. This would finally lead to their participation in the, where one of Hitori's teammates would be killed during the final stage. Gravely troubled by this event, and more so by the fact that the conclusion of the fight was cheered on by the spectators, Hitori first began to question her village's practices. Despite this, she was able to advance to during the same examination.

Darkness and Iron
Relieved from duty temporarily after being promoted to chūnin Hitori returned home, expecting her parents to congragulate her on her advancement. Unfortunately, this was not the case. While becoming a chūnin by the age of eleven was a notable feet, the fact that it took two years from her academy graduation was considered to be unacceptable. As such her parents had managed to pull strings in order to have Hitori removed from the village's and have her transferred into the.

Following her enrollment into the ANBU her first assignment was the being placed as an undercover operative in the Land of Iron. Utilizing her young age Hitori was able to feign orphanage when she was recovered from a harsh storm in the snowy country. From here she eventually managed to achieve status after enduring intense training. It was here that she received her dual tantō, Bái (白) and Qīng (青). The conditions of Konoha's mission stipulated that Hitori completely assume the role as a samurai in the Land of Iron, under the name Shisaku. During this time she was to fulfill her position with the utmost perfection, even if it meant killing Leaf shinobi.

For a total of seven years Hitori assumed the role of Shisaku, dutifully serving the Land of Iron. It was then that she received word in the form of an envoy from Konohagakure, giving her secret orders to return to village.

The True Will of Fire
Upon returning to the village Hitori discovered that the situation for her family's attempts to become a recognizable clan changed considerably. In the time she had been in the Land of Iron her family had gained a sizable estate, seemingly through their endeavors. While Hitori initially found this accomplishment to be quite significant, she soon came to question her family's secretive behavior and quick advancement in status, despite the collapse of diplomatic relations with Sunagakure due to the untimely death of her mother. Questioning the legitimacy of her clan's activities she began to personally investigate what her family's activities behind the scenes. It was here that Hitori discovered that the Daimyō and various lords from had been hiring her family to perform missions of varying legality.

Soon after her discovery Hitori was requested to serve the will of the nobles for her family's benefit. In particular members of the Daimyō's court asked that Hitori eliminate a particular criminal, as a demonstration of her loyalty to the court. This "criminal" were charged with freeing a captive of the court, and fleeing to the north. Upon catching up to her targets, she discovered that the criminal in question was none other than Nōsei, a former enemy of the state that was supposedly executed several years ago. Initially, Hitori attacked the silver-haired swordsman without restraint, but soon questioned why her opponent was only defending against her assault. Inquiring to this end Hitori was informed that Kiyoka, the freed captive in question, was a illegitimate daughter of the Koyama Clan offered as tribute to the Daimyō, and his court. Furthermore, the girl was being utilized as a sacrifice toward experimentation regarding sealing Shades into living hosts. Shocked upon learning that not only did she have a sister, but that her father discarded the girl for his own personal gain, Hitori fell to her knees. Understanding the corruption of the Daimyō, and her father's clan, Hitori could not raise her blades for the Land of Fire any longer. Realizing that she too would be criminalized for her inaction, despite her noble motives, Hitori broke ties with the village and fled with her sister.

Returning to the village some time later, Hitori razed her family's ill-gotten estate to the ground with an incredibly destructive display of fire. Leaving the charred remains of her life as a leaf-shinobi behind Hitori vowed to stand against corrupt institutions and individuals, and to protect her sister above everything else.