FFF: Heretic Inquisition, later considered by most people to be a heterosexual inquisition, aiming to burn heterosexuals to death (see "Idiot Test Summoned Beast" for details)

East: East Project, a series of fan games, related works and their secondary creations produced by the Japanese fan game club Shanghai Alice Fantasy Band, covering many fields such as games, animation, comics, music, literature and so on. Personally, I think it is the pinnacle of otaku culture. . .

Ship Girl: "Kantai Collection" personifies various ships (the types cover all kinds of otakus), and the main game is now also released.