[No Harem] Qiu Bai was too lucky in drawing cards, so he traveled to the continent of Teyvat and became a demon god. He also became the Yin-Yang Immortal Lord of Liyue, became friends with Morax, purified Rota, and started a war between immortals and demons. What kind of story will Qiu Bai have in the world of magic and elements in the continent of Teyvat?