Many people wonder if there are manga and anime made by non-Japanese. And the answer is affirmative, they exist!
An example is the manga and anime Nordic Girl Asa Discovers the Mysteries of Japan (北欧 女子 オ ー サ が 見 つ け た 日本 の 不 思議), created by the Swedish Asa Ekstrom.
The plot is basically short stories in which the author tells of his discoveries and difficulties experienced in Japan.
Asa Ekstrom immigrated to Japan in 2011 in order to study drawing and publish their work. Then in 2015, she was able to publish her early works in the land of the rising sun.
See some episodes of Nordic Girl Asa Discovers the Mysteries of Japan on site below and / or videos from Youtube: