●Actress: Xia Fanxing
· Age: 19 years old, sophomore in law school.
· Personality: Soft and cute on the outside, tough and warm on the inside. A little confused, but very serious about friends and studies. She has been secretly in love with her neighbor Gu Chenzhou for many years, but mistakenly thought that he only regarded her as her younger sister.
· Small details: He likes to tilt his head slightly when talking, and subconsciously pulls the corners of his clothes when he is nervous.
●Protagonist: Gu Chenzhou
· Age: 21 years old, a legendary junior in the Department of Computer Science, and a prospective MIT offer holder.
· Personality: To the outside world, he is a "god of learning" who is cold and distant and avoids strangers. To the heroine, he is a gentle and doting "loyal dog" who protects his shortcomings. He has fallen in love with this little tail following him very early and has been waiting for her to grow up.
· Small details: I only smile at Xia Fanxing, and the screen saver on my phone is a childhood photo of the two of them.