Little Battlers Experience

, known as Danball Senki, Cardboard War Chronicles, or simply LBX, is a series of action role-playing video games created by Level-5, involving small plastic model robots known as LBXs (standing for "Little Battler eXperience") that fight on dioramas made out of cardboard, with the main character setting out to battle against LBXs created by other characters. The first game of the series was released on June 16, 2011, for the PlayStation Portable and has expanded to six official games and three Japanese anime series. Nintendo published the first game for Nintendo 3DS in North America on August 21, 2015, Europe on September 4, 2015, and Australia on September 5, 2015.

A manga adaptation was serialized in Shogakukan's CoroCoro Comic from February 2011 to March 2013 lasting for 6 tankōbon volumes. In the US, it is distributed by Viz Media. Another manga adaptation, entitled, was written and illustrated by Hiroyuki Takei under the pen name Hiro was published in CoroCoro G. There is also a manga adaptation of Little Battlers eXperience Wars (season 3 of the anime) which is also serialized in CoroCoro Comic.

It was adapted into a 2011 Japanese anime television series OLM under the direction of Naohito Takahashi. Based on the plastic-model-building RPG, it was broadcast in Japan on the TV Tokyo Network from March 2, 2011 to January 11, 2012 for 44 episodes. Dentsu Entertainment USA has also confirmed that they have licensed the Little Battlers eXperience anime in the U.S, though there's no word on a set airdate. aired from Jan 18, 2012 to Mar 20, 2013 for 58 episodes. A third season called aired from April 3, 2013 to December 25, 2013 that ran for 37 episodes. A spin-off anime by Studio A-CAT aired from January 7, 2021 to March 25, 2021 and ran for 12 episodes.

Plot
In the year 2050, kids battle one another using little hobby robot figures called LBX (Little Battler eXperience). Yamano Ban, a young boy who desires to become an LBX Fighter like his friends, is forbidden by his mother from owning an LBX as his father was taken from them in an accident relating to LBX years ago. One day a mysterious woman approaches Ban with a suitcase and tells him the hopes and despairs of humanity lie inside it, and when Ban opens it, he finds a strange new LBX. He is soon attacked by a mysterious underground organization who want the data inside this robot, and Ban and his friends are dragged into a corporation war that spreads all the way up to the highest political positions of power in Japan, and the true origins behind LBX Battling which could change the entire political structure of Japan.

Official

 * Danball Senki official website (in Japanese)
 * Danball Senki at TV Tokyo

Other Sources

 * Anime