Kei Shindo

Loosely based on the novel Romance of the Three Kingdoms, modern day Japan sees a similar struggle for power between different rival schools with the three strongest being; Kyosho Academy led by Sousou Moutoku, Nanyo Academy by Sonsaku Hakufu and Ryuubi Gentoku from Seito High School. Together these three tousei, each with their own mangatama, fight for the honour of becoming ikki tousen and fulfilling their fated destiny through battle and conquest. (myanimelist.net)

Hakufu's dreams of participating in new fights and tournaments are put on hold as new obstacles block her path. Her friends have lost faith in her, new enemies appear, and a younger sister she never knew existed suddenly shows up on her doorstep. If Hakufu ever hopes to compete worldwide, she's going to have to deal with her issues at home first. (myanimelist.net)

Life gets crazy for Hakufu when she takes on a pupil that acts just like her! A tournament between the school heads start, but due to Hakufu's negligence, her pupil ends up taking her place. The tournament isn't what it seems, and the girls find themselves in the middle of a plot to take over the clans. (myanimelist.net)

Nanyo Academy along with the other Kanto schools hold class trips to Kyoto. Old rivalries break out, between the schools, but as if that wasn't bad enough, Kyoto's fighters also show up in full force to challenge the Kanto schools' fighters. (animenewsnetwork.com)

Ten years after the Bubble War, the dichotomy between the rich and the poor in the world becomes more prominent and Japan is no exception. The rich seek to satisfy their desires and derive pleasure for themselves, and Tokyo has materialized into such a city as a result. Saiga, once a war photographer, works for Hibara Ginza in the capitalist state of Tokyo. He infiltrates the Roppongi Club, a secretive base located in the red light district of the city, to collect information about them. (myanimelist.net)

In a city known as No.6, an elite student named Shion saves a young boy called Rat, who happens to be an escapee from the local prison. After being reunited with Rat years later, the two begin to uncover the dirty secrets of the 'ideal city' No.6 while discovering more about themselves and their love for each other along the way. (imdb)

A mysterious bullet train foretells giant monster attacks - the Black Shinkansen! One day, grade schooler and train fan Hayato Hayasugi discovers his father's secret - he runs the Shinkansen Ultra Evolution Institute, which has created the defense against monster attacks - bullet trains that turn into giant robots, Shinkalion! Hayato becomes a Shinkalion driver and joins kids from across Japan to fight against the threat of the Kitoralzers! (Ununnilium)

Half a year after the defeat of the Kitoralzers, mysterious giant beings suddenly appear from space. The Ultra Evolution Institute has been busy developing a new prototype unit - the Shinkalion ALFA-X. Suddenly, a 9-year old Hokuto appears from across time and space. Having no choice, the Ultra Evolution Institute appoints the young Hokuto to become the driver of the Shinkalion ALFA-X, bringing in the teams from across Japan as the last line of defense against the invaders. (Wikipedia)