trapezium

First-year high school student Yuu Azuma has imposed four rules on herself in order to "definitely become an idol" and live her high school life accordingly: "No social media," "No boyfriends," "Don't stand out at school," and "Make friends with beautiful girls from all four directions." With these "shining stars" attending different high schools in the east, west, north, and south as her friends, what will be the outcome of the dream that Yu has pursued throughout her high school life? (Source: Kadokawa, translated)