WO SHI JIANG XIAOBAI: SHIJIE SHANG DE LINGYI GE WO

Jiang Xiaobai starts his first ever job as an editor. His new work partner, writer Tong Li, however, continually gives him a hard time. Then one day, he learns that Tong Li is a long-lost friend from his childhood. Gradually, their past is revealed. — Description from AniList community (anilist.co).