One Summer Vacation, I Became the Strongest High School Student?

Liu Yuchen, a high school student and diaosi. He has been thin and short since he was a child, with nothing but his face, and suffered the humiliation of everything around him. World-weary, has turned dark. Hack the system to activate. A voice sounded in Liu Yuchen's mind. It promised that Liu Yuchen would change all that. "Please give me a natural transition period." After a summer vacation, Liu Yuchen became the strongest high school student and started a cheating life... Also known as growing twenty centimeters in one summer vacation is not too much, right? If you work hard enough, you can do this in a summer vacation like me. I, Liu Yuchen, am not only tall and handsome, but I am also extremely good at studying. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.