Sore wa Marude Amagasa no You ni
Synopsis
Cheering on her friend's crush, using abusive language towards the homeroom teacher. Yayoi's fun school life changes greatly after one incident. The one who saved Yayoi, who was deeply hurt, was her homeroom teacher, Tsuzuki-sensei. The forbidden love between a teacher and a lonely high school girl! (Source: Kodansha, translated)
Background
Sore wa Marude Amagasa no You ni is an adaptation of Rii's web novel of the same title.