The Prince's Romance Gambit, Volume 4 (The Prince's Romance Gambit #21-26)

As Hatsuyuki’s adoration for Koume heats up even further, an “unprecedented” athletics festival is planned for the academy. And Hatsuyuki’s fiancée Akari finally takes action... ! On top of that, Tsubaki, who has feelings for Koume as well, declares war!! Don’t miss the turbulent Volume 4 of this hyper-mismatched love comedy starring an ultra-high-spec prince and one average girl!