Anime Crossover: I Am the Divine

(Answer to join the group: the protagonist's original name) Ying Bing thought she had transmigrated to ancient times, but soon discovered that wasn't the case. What do you mean, she's become a god?! After spending a thousand years wiping out every supernatural threat in China, Ying Bing headed to Japan for a vacation, a reward for her millennium-long career as a demon slayer. It wasn't until a thousand years later that she discovered this was actually a crossover anime world. With her unrivaled power, Ying Bing began a whole new life. (Worlds: Horimiya, TONIKAWA: Over the Moon for You, Onimai: I'm Now Your Sister!, Eromanga Sensei)