The Adventures Of Miss Periwinkle 2

Every year on her birthday, Xiaomi anxiously awaits an unwavering email, a birthday email from Xiao Nan, someone she has never been able to forget. Ten years later, under torrential rain, this email is 36 hours late. But has Xiao Nan truly forgotten the promise of "Happy Birthday"?

Xiaomi and Xiaonan have been recognized as a perfect couple since university, yet they have maintained a relationship that is more ambiguous than that of good friends. Xiaonan's birthday greetings to Xiaomi each year have become a pull of love. Regardless of how many lovers appear around them, their friends still firmly believe that one day they will happily walk together.