A boy is possessed by Byleth, the demon of the incest. He wants to madly love his sister, but his tragic end will be the natural epilogue of this morbid tale. 　　一個(gè)男孩被Byleth擁有，該亂倫惡魔。他想瘋狂地愛(ài)他的姐姐，但他的悲劇結(jié)局將是病態(tài)的故事這自然尾聲。