For Yu Zizhou, Qiao Xin is the indispensable cutie in his life. For Qiao Xin, Yu Zizhou is probably the unattainable little boy next door and the well-behaved little wolfdog. This is a story of love and being loved, a beautiful memoir of everyone's high school, and a little love letter that only belongs to Yu Zizhou and Qiao Xin. The journey is sweet, the pure and sweet love on campus.