In ancient Japanese tradition the "Maiko" are the helpers of the most famous Geisha, apprentice. The Maiko must sing, dance and play the shamisen (traditional Japanese instrument), as well as learn to speak the dialect of Kyoto (particularly different from the normal Japanese ... for example: THANK Arigatou in Japanese is said, in dialect Kyo-Kotoba, OKINI).

Otaku is a japanese word to describe people very passionate for... kinda fixation for Manga, Anime, Idols,..
In modern times, many Japanese people of all ages have this passion...