[Ano Sakusha no Kemo Ero Manga ga Yomitai Project (Bubonic)] Yuusha no Osananajimi wa, Sonchou no Musuko to Musubarete Shimatta! | The hero’s childhood friend, ends up marrying the village chief’s son! (Ano Sakusha no Kemo Ero Manga ga Yomitai Project Tokubetsu Hen Vol. 01) [Digital]