touhou project is an indie franchise of bullet hell games that follow shrine maiden hakurei reimu and all the problems that she has to solve as part of her job as the “youkai exterminator” (she doesn’t exterminate them). what makes the franchise so huge is its giant japanese following and loose copyright rules making it a creative outlet or base for anyone to make fan games/music/literally anything based around its setting, characters and phenomenal music that were all originally done by one guy, zun