Ben is a normal female college student Yue Qi. Because I was curious about the butterfly boy in the book, I drew a butterfly on my birthmark. But who knew that the butterfly had changed at night when Yue Qi was sleeping. It made something in her room curious. On the way to class on the first day, she met a particularly strange person, and then a series of incredible things happened to her. "What's going on?" Yue Qi shouted.