The second season of Shoushimin Series.

The second season will focus on two new cases from the novel series, adapting the two-part third volume Shuuki Gentei Kuri Kinton Jiken (The Autumn-Exclusive Kuri Kinton Case) and the fifth volume Touki Gentei Bonbon Chocolat Jiken (The Winter-Exclusive Chocolate Bonbons Case).

(Source: MyAnimeList)