I Was Reborn and You Let Me Go to High School

Chen Huaichu is a high school mathematics teacher. A traffic accident after a blind date brought him back to his 15-year-old self. Once again, he brought a head full of mathematical formulas, trigonometric functions, Corgi's inequality, functions, derivatives... Which looked like imaginary problems in front of him... To him, they were all minors, so he used his spare time to help female classmates in difficulty. For his changes. Old classmates commented one after another: Originally he said he was a poor student... Chen Huaichu strongly refuted this: I don't know, it's none of my business, I just give them a little help in their lives...