17-sai °C

A new transfer student named Natsuki catches the attention of the main character, who is drawn to her despite her rebellious nature. Natsuki is shown to be strong, having broken a senior's arm and damaged his bass guitar. Though she keeps others at a distance, the main character continues to follow her, discovering that she is kind but reserved. It is revealed that Natsuki is set to marry immediately after graduation, which explains why she faces little consequence for her actions at school. Despite this, a mutual attraction appears to develop between her and the main character. Obstacles include her impending marriage and a senior who becomes infatuated with her after hearing her sing in a music store.