Final answer:
The number of anime-oriented circles began to increase around the late 2000s because of the popularity of Japanese anime and manga. By the 2010s, the Comic Market in Japan was split between anime circles and manga circles.
Step-by-step explanation:
The number of anime-oriented circles began to increase around the late 2000s because of the popularity of Japanese anime and manga.
By the 2010s, the Comic Market in Japan was split between anime circles and manga circles. This event is a significant gathering for fans and creators of anime and manga, where they can buy and sell their works.
The rise of Japanese anime and manga's popularity globally can be attributed to its unique art style, engaging storylines, and cultural influence.