It's Not Too Late to Inkstone

[Shuangjie + Fake brother and sister + Second male lead + HE] When Jiang Muwan, a freshman in high school, met Bo Yan, a senior in high school, as a good friend, he and she became childhood sweethearts. Time flies, the two meet again at Beijing University, and their love quietly grows during their college years. But fate plays a trick, a misunderstanding cuts off the relationship like a sharp blade, and they who were once in love are separated. When they met again, they both had new families, but Bo Yanshi had no intention of letting Jiang Muwan go. Jiang Muwan was hovering at the bottom line of morality, but she underestimated her feelings for Bo Yanshi. How could someone she fell in love with when she was young give up?