The second season of Shoshimin: How to Become Ordinary adapts two cases from the novel series, specifically the two-part third volume, Shuuki Gentei Kuri Kinton Jiken, and the fifth volume, Touki Gentei Bonbon Chocolat Jiken. These cases are central to the storyline, drawing from the original novel series. The season will explore the investigative work of the main characters in these new cases.