Anime Version The younger twin sister of Ton. Just like her sister, she is also loyal to her cousin Sōsō and is one of her commanders. Unlike her sister, she is more calm and an ingenuous person.  Visual Novel Version The younger sister of the Kakō sisters and also Sōsō's cousin and a commander of the Gi kingdom. Unlike her sister, she is calm and very intelligent. In the first game she shows no signs of resent for Kazuto after being captured and treats him normally. In the sequel, Shin Koihime Musō, she has a normal friendly relationship towards Kazuto, and often asks him to bear with her older sister's odd behavior.   (wikipedia.org)

This anime is based on an eroge game by Baseson, which was loosely based on the classic Chinese novel Romance of the Three Kingdoms. 
Having lost her family to bandits during night raid, Kanu swears she will not let others share the same pain. She quickly becomes a well-known and feared by villains bandit hunter. During her journey she comes across others who wish to join her cause. One of them is a girl RinRin, who had similar experience with bandits in the past.

Kanuu and Chouhi's group rescue a mysterious girl, who is actually the real Ryuubi, her name and heirloom sword stolen after the events of the last season. The group sets off to recover Ryuubi's sword. At the same time, a group of street performers, the three Chou Sisters, are given a mysterious magic book that may be more trouble than they think....The franchise re-imagines the classic Chinese historical novel Romance of the Three Kingdoms (Sangokushi) as a "moe (fiery), moe (preciously cute) action love comedy" with an almost all-female cast.
 
(Source: Anime News Network)

The third season of Koihime Musou. 
Han's high court general Kashin (&#20309;&#36914;) was forced to swallow a cursed pill from Chou Jou. The effect is slowly turning her into a cat, which she dislikes. Chou Jou also made use of the emperor's name to dispose her from the Han court as a traitor. 
She met Kada during her escape while Kada brought her to the Touka village, whom he believes they would help her.

The story takes place at St. Francesca Academy. After the battle between the students ended, they all go to a southern island.

After losing a family to bandits during a night raid, Kanu swears she will not let others share the pain she experienced that night. She quickly becomes a well-known and feared by villains bandit hunter. During her journey she comes across others, who wish to join her in her cause. One of them is a girl named Rin Rin, who had similar experience with bandits in the past. 
(Source: Anime News Network)

Kazuto Hongo finds himself in a chaotic world where beautiful girl warlords compete for dominance! He starts to set the world aright, joining Liu Bei&rsquo;s party as heaven&rsquo;s angel&mdash;but what is his destiny? (Source: Jmanga)

Kakouen Myousai