Kazumi Sakagami and Kanori Sakashita became fast friends on their first day of high school, bonded by their similar names and classroom proximity. While attending a group date with fellow female students, Kazumi hit it off with Ena Yuuya, leaving Kanori to reluctantly agree to a date with Kota Nakao despite her indifference towards him. Over time, Kazumi's obsession with Ena intensified, while Kanori grew uneasy about Ena's promiscuous behavior and Kota's complacency. Despite Kanori's warnings and concerns, Kazumi spread unkind rumors about Kota, causing their friendship to crumble. Their once-superficial bond was tested as they tried to keep their love lives free of drama.