You are my youth

Mo Caining is a common grade-two student in senior high school. As her class teacher is her own aunt, she has to pretend as if she is a well-behaved student in daily life, while she is actually a real net expert. The arrival of the transfer student Gu Tianqi makes a great difference in her quiet senior year life. One day, Mo Caining finds that Gu Tianqi turned out to be the younger brother of her idol Gu Yunfan, and she promises to keep the secret.