When Tsuyoshi rushed to school as usual, he found a girl who tried to help a kitten which couldn't get down from a tree. It was Minamizato Ai who had loved Tsuyoshi secretly for a long time. (Source: AniDB)

A series of natural disasters has reduced the world to rubble, with the survivors doing whatever they must to survive in a world gone mad. But one young boy, Kakugo, gifted with amazing martial arts and a superpowerful suit of armor by his late father, has been charged with making the world (or at least his school) a safer place. But his sister has a matching set of skills and equipment, and she`s on a mission to bring peace to the world... by wiping out humanity! (Source: AnimeNfo)

At first glance, Mao Ran is a normal cute girl, but she is a master of a martial arts handed down by Mao family. One day, she is tricked by her grandfather, and forced to take part in the fighting match, Prime Mat. First, she is reluctant to fight, but fighting against the rivals, she is gradually fascinated by the fighting. (Source: AnimeNfo)

Mao Lan continues growing into her path in life through what she learns while fighting. Her grandfather thinks that she has grown complacent and decides to train an adversary for her next Prime Mat appearance. Training with her friends and companions Mao Lan slowly advances through life. (Source: AniDB)