Muhyo to Rouji no Mahouritsu Soudan Jimusho: Nanairo no Magoe

During their time at the Law School, Muhyo and Yoichi set out to solve the "Seven Wonders of MLS"! Biko and Enchu, who heard about it, join them, and the four of them head for the destination. Is everything as it seems...?

(Source: Shueisha, translated)