The neurologist is underage, also known as the sun shines after the rain.
Because the winter vacation ended early, Xiaoxue went to review the tutoring on a whim. Then the second chapter was inspired by Yamamoto, so he came up with the idea of writing such an article. From my visual inspection, it was a sweet article from the beginning to the end, about the love path of a neurotic girl =v=!
The heroine is not a time traveler. Her personality is probably tsundere + complaining + likes to hit people and ignore things that have nothing to do with her. She was 15 years old at the beginning of the article, and used her 15 years of single experience to fall in love seriously (mistake)