Sang Zhi quietly falls for Duan Jiaxu, her older brother’s college roommate. Years later, a chance reunion allows their once-hidden feelings to resurface, gradually turning an unspoken crush into a heartfelt romance.

After Jiang Yubai grew up, Lin Zhixia suddenly confessed, "Jiang Yubai, I like you, in both the philosophical and biological sense." That night, his cheeks flushed, and he could hear his heart racing.