Assassin's Pride [Serenade Schlatt X Reader]

"I would watch that mouth of yours!" Seren whisper yelled, holding a knife to Y/N's throat.
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The Royal Schlatt Family. They sound normal, right? Wrong. One of Johnathan Schlatt's children, the oldest, is the current president of L'Manburg, Tubbo. The second is a completely different story. He rarely comes by the castle, and acts like a commoner. Only coming back to sharpen or replace his knives, his youngest son, Serenade, is an assassin. As the child of King Schlatt, no one can do anything about his murders. One day, the youngest child in King Philza's family of a kingdom far away is invited over to stay a few nights with the Schlatt Family, in attempt to get them and one of Schlatt's children engaged. Y/N Minecraft one night finds themselves in the grasp of Serenade Schlatt, nearly under the cape of the souls he's killed. Can the child of Philza change the heart of the child of Schlatt, or will they die trying?