That was a lie.
The narrative is built on a "living experiment" trope. By making Daisuke's residency contingent on testing bathroom products, the story naturally creates scenarios centered around the bathroom and shared amenities. In episode 2, this theme typically escalates from the initial shock of the living situation to more intimate daily routines, where the protagonist must balance his "testing" duties with the awkwardness of living with his upperclassmen. II. Character Dynamics and Unilateral Complications bubble de house de the animation 2 cap 2
Post-credits scene: