Trapezium

Driven by an unwavering passion for becoming an idol, Yu Azuma, a young, ambitious first-year student at Joshu East High School, embarks on a journey to form an idol group. To make her dream a reality, she recruits one girl from each of her region's four high schools (located to the north, east, south, and west) and soon finds her fellow group members. (Crunchyroll)