Rei Hiroshino

Rei Hiroshino was the Fourth Kurokage and the head of the Hiroshino Clan.

History
When Rei was young she was often humiliated by the other members of her clan because of her inability to use ninjutsu or genjutsu. She was also mistreated because she was the pseudo-Jinchūriki of Mayonaka at the time. When Rei turned 13 her father trained her in the art of the Four Kyōkugan Seals. By the age of 19 she was able to open the seventh gate and third Kyōkugan Seal.

Tsunade
During Rei’s first time at the Chuunin Exams Tsunade happened to be a guest at the Chuunin Exams. This time the chuunin exams were taking place in the village hidden in shadows. After hearing about Tsunade’s knack for medical jutsu, Rei begged Tsunade to train her. After constant and non-stop begging Tsunade finally began training her. This training came in handy later in the third part of the exams as Rei implemented what Tsunade taught her into her taijutsu, thus creating the Thunderstrike technique.

Kurokage
Rei Spent a very short time as Kurokage. But due to her time as Kurokage she helped all of The land of shades neighbors the best she could.

Assassination Attempt
During her last night as Kurokage the village hidden in shadows was attacked. Mayonaka was extracted from her body and thus Okami was resurrected. In order to save the village she opened both the eighth gate and the fourth kyōkugan seal. Before she could die the Third Kurokage used a rejuvenation jutsu to heal all of her wounds and revive her at the cost of his life.

Satoshi
When Satoshi graduated from the ninja academy and went on the chunin exams Rei bid her identity the best she could and became “Kaori Hiroshino”. She then began to teach him the Four Kyōkugan Seals Technique.

Peraonality
Rei is described belt all of her siblings to be stubborn and Hot-tempered. Although she would give anything to protect the ones she cares about.

Description
Part I:Rei often wore the Hiroshino Clans attire. Her eyes were dark grey due to her inactive Kyōkugan. She had blonde hair unlike most of the other Hiroshino clansfolk.

Part II:She wore the attire of most Kurokage. She had black Markings running up her left arm up to her left eye from activating the third kyōkugan seal.

Part III:She wore a black cloak that completely covered her body, black gloves and a mask fused with shadow chakra. The black markings on her body had turned blue due to the activation of the fourth kyōkugan seal.