The Distance Between Eternal Night and Dawn

Also known as [Gemini: Light and Dark], [Medieval], [Swords and Magic], [Twins], [No System], [Transmigration], [Sister Complex], [Pseudo Harem]. I am Xing Yan. Due to an accident, a ritual meant to summon an evil god instead summoned me. In a fit of rage, I accidentally killed their so-called elder. Through memory reading, I grasped the basics of this world and adopted the girl who was meant to be a sacrifice, naming her Xing Yun. I am Xing Yun. My brother gave me this name. As for my past, I had no name, only a string of numbers. I've been here since I was very young. Everyone around me wa…