Zhi Feiji

At their first meeting, five-year-old Tang Junhe admired six-year-old Yang Xuan and became his follower. Yang Xuan introduced him to different ways of folding paper planes. A decade later, 17-year-old Tang Junhe lived with Yang Xuan, now his older brother. Despite their close living arrangement, unresolved tensions led to frequent conflicts. Tang Junhe later reflected on how he knowingly entered a situation where the first to give in would lose.