A fanfic about guren x shinya~ If you dont know who it is~ Here is the anime name: "Owari no seraph" - Every company and demons had free. Someone from the human side said that it'll get boring if there is nothing to do the rest of the days. The Hiragi and Guren ichinose had meeting and some of them Had a idea about a Maid/butler café. The day of Maid/butler café has come~ and this, is where guren and Shinya start their love story~
7 parts