Chapter 9 of the manga Koukousei Web Sakka no Mote Seikatsu features ongoing drama after the main character's rejection by his childhood friend, with other girls taking an interest in his work. The story focuses on the childhood friend realizing her mistake while new characters enter the scene, according to fan discussions.
Romance where female lead rejects MC and comes to regret it? Chapter 9 of the manga Koukousei Web Sakka