[1V1, time travel, substitute, counterattack, loyal dog male protagonist]
Lin Yun, an astronomy enthusiast, was accidentally hit by a painting called "Star Trail" when she visited an astronomy exhibition. When she woke up, she found that she had traveled through time and space in the body of Xue Fei, a "problem girl" from an aristocratic school. Xue Fei was domineering in the school because of her father's power, and she was an existence that everyone shunned. The time when Lin Yun traveled through time happened to be after Xue Fei woke up from a "car accident" - this forced her to live with Xue Fei's identity.
In order to find a way to go back, Lin Yun found a diary in Xue Fei's room: the diary not only recorded Xue Fei's "daily life" of bullying her classmates, but also contained her clumsy secret love for astronomy enthusiast He Yu. Lin Yun realized that He Yu might be the key to connecting the two worlds, so she began to deliberately approach him.
In the process of getting close to He Yu, Lin Yun discovered that there were many strange things about Xue Fei's car accident. As Lin Yun began to investigate, she chose to investigate step by step to find the truth.
During this period, Xiao Mu has been silently guarding "Xue Fei", helping her to avoid troubles, following her to investigate the truth, and gradually realizing that "Xue Fei" in front of her is no longer what she used to be. With the help of Xiao Mu, Lin Yun disguised her identity to investigate the truth while piecing together the truth of the car accident. Finally, she discovered that the accident was related to a painting that was exactly the same as the "Star Trail" that hit her, and the way to go back may be hidden behind the truth...
