纸飞机

During their first meeting, the five-year-old Tang Junhe started to view the six-year-old Yang Xuan as his hero, and he willingly became Yang Xuan’s little follower. Yang Xuan once said, “There are 12 ways to fold a paper plane. You didn’t know that, did you? Let me teach you.” Ten years later, the 17-year-old Tang Junhe lived in Yang Xuan’s house as his younger brother. The grievances of their past remained unresolved as the two young men fought constantly. “The first one to fall is the loser. I knew that, yet I willingly fell into it.” (Source: Bilibili Comics)