This tells the the bittersweet love story between Zhou Linlin, a student bad at studying, and Fang Yuke, the "family friend's outstanding kid". They thought they would go their separate ways after the college entrance examination. Unexpectedly, the two were admitted to the most unpopular major of the best institution in the country, the Department of Animal Science. In order to make up for the "first love trauma" that she had inadvertently caused to Fang Yuke, Zhou Linlin did everything possible to help Fang Yuke chase back his "campus beau first love", yet unknowingly, she fell into a trap... Graduation season is approaching, the person deeply hidden in the memories of your youth, are they still by your side?...

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Chi Yan, a bookstore owner, is celibate and a “Buddhist Youth” who’s embraced a laissez-faire approach to life. One day, he saves a cat under a car. When he wakes up the next day, this cat turns into a beautiful girl called Xiao Xiu, who’s from the Meow Planet located in a parallel world. Xiao Xiu must grant Chi Yan, her savior, a wish so that she can return to her own planet. However, Chi Yan does not wish for anything, making it very challenging for Xiao Xiu to repay his kindness. As she moves into the bookstore and becomes Chi Yan’s roommate, a series of hilarious encounters ensue. Meanwhile, Chi Yan’s broken heart is healed by the joyful and innocent Xiao Xiu....

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