Kinoko Nasu is a Japanese writer and screenwriter, best known as the main creator of the Nasuverse and co-founder of Type-Moon. He is the author of works such as Fate/stay night, Tsukihime, and The Garden of Sinners.
There has been a massive invasion of Cloudbreak Islands by villains who are filled with the power of Petrified Darkness. But that's not all, Kaos also wants to use this power so that this world will only plunge into this darkness. Portal Masters must stop enemies and also destroy a crystal of Petrified Darkness
