Following the headbutt, Sengoku becomes terrified of Miyamura, creating a humorous dynamic in contrast to Miyamura's quiet, gloomy appearance at school.
As the school year prepares for the third year, Miyamura gives Hori a CD for her birthday, furthering their intimacy. Themes and Character Development
In a crucial scene, Miyamura headbutts Student Council President Sengoku after seeing him treat Hori unfairly and publicly scold her, immediately establishing a protective dynamic.