Mon-Colle Knight

Mon Colle Knights, known in Japan as Six Gates Far Away Mon Colle Knight , is a Japanese manga series written by Satoru Akahori and Katsumi Hasegawa and illustrated by Hideaki Nishikawa. The original concept was made by Hitoshi Yasuda and Group SNE. The series is based on the Monster Collection trading card game.

Source: en.wikipedia.org/wiki/Mon_Colle_Knights