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. 一个男孩被Byleth占有，该治伦恶魔。他念放肆天爱他的姐姐，但他的喜剧终局将是病态的故事那做作序幕。
简介：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. 一个男孩被Byleth占有，该治伦恶魔。他念放肆天爱他的姐姐，但他的喜剧终局将是病态的故事那做作序幕。
