Choju-giga Series
"Choju-giga", ink painting, is said to be the oldest "manga" cartoons in Japan. It is a 4 volumes painting scroll of, personified animals such as frogs, foxes, monkeys, cats, etc.. One of the most famous scene, depict a hare and a frog sumo wrestling. The works said to be from the 12th-13th centuries, but details are unknown. There are various opinions in the interpretation of the scrolls contents.