The swaying feeling! Calligraphy class where the teacher is too big tits - Nao Mizushiro

The movie appears to revolve around a calligraphy class taught by Nao Mizushiro, who is described as having large breasts. The story seems to focus on the interactions between the teacher and her students, exploring themes of authority, respect, and potentially inappropriate behavior. However, the exact nature of these interactions and the central dramatic tension are unclear due to the fragmented and often cryptic subtitle dialogue provided.