Yuan Dan and Shuangqiang Zhou Shiguang (Shou) & Qi Linyuan (Gong) had a secret love in each year and rushed to each other in both directions.
Zhou Shiguang and Qi Linyuan are university roommates. They are both top students at Tsinghua University. Zhou Shiguang is studying forensic medicine. Qi Linyuan is a forensic doctor. They call themselves elder brother and younger brother.
Concept: A couple around me has a two-way secret love