"Idol Incidents" is a 12-episode anime series set in a fictional version of Japan where the government is run by idols. These idols, known as "Idol Representatives," are elected officials who use their popularity and influence to address political and social issues. The story centers on a group of young idols who form a political party called "Sakura no Kuni," aiming to bring positive change to the country.

The protagonist, Mion Sonohara, is a cheerful and determined high school student who dreams of becoming an idol. After a chance encounter with the Idol Representative of the Sakura Ward, Mion is inspired to join the political arena. She becomes a candidate for Sakura no Kuni, alongside other idols such as the serious and disciplined Rinka Himegami, the energetic and tech-savvy Aoi Shikisai, and the calm and mysterious Hikaru Hoshina. Together, they navigate the challenges of balancing their idol careers with their political responsibilities.

The series explores various social and political issues, such as corruption, environmental concerns, and public welfare, through the lens of the idols' campaigns and initiatives. Each episode typically focuses on a specific problem, with the idols using their unique talents and teamwork to propose solutions and win public support. The narrative also delves into the personal struggles and growth of the main characters as they strive to make a difference in their society.

Throughout the series, the idols face opposition from rival political parties and internal conflicts within their own group. However, their shared commitment to improving the lives of citizens and their unwavering belief in the power of unity drive them forward. The story combines elements of political drama, comedy, and slice-of-life, creating a unique blend that highlights both the challenges and rewards of their dual roles as idols and politicians.