Fabiniku odžisan to kuro no kenši (E04)

Continuing on their adventure, Tachibana and Jinguuji arrive in a large town with a market and rows of buildings. But Tachibana's "Unparalleled Beauty" Charms men, one after another, leading Jinguuji to resort to purchasing a certain item. At the same time, a dark swordsman reacts to seeing Jinguuji's wearing a suit, and challenges Jinguuji to a fight. Then Tachibana and Jinguuji learn that the swordsman is actually their fellow countryman...?! (Crunchyroll)