Anime for kids is always mainstream content. Anime for non-kids is not mainstream but not very niche, it getting very popular for around 10-30s age people compa

Anime for kids is always mainstream content. Anime for non-kids is not mainstream but not very niche, it getting very popular for around 10-30s age people compared to around 2000. Pachinko and mobile games (both makes $$, publish ads) also contributes for otaku contents' popularity.