Song Ha-young and Lee Na-kyung from fromis_9 collaborated with home appliance company Oa to appear in episode 4 of the web variety show 'Street Sales Girls'. The show featured an outdoor direct sales concept where the members interacted with citizens on the streets of Yeonnam-dong in Seoul. Despite the hot weather, they directly experienced the cooling effects of portable fans and cooling pads while filming, effectively promoting Oa's product quality. The unique approach allowed the group to engage directly with consumers while showcasing the brand's offerings on the street.