Takuya Hirau, known as Manager, is a convenience store employee living an ordinary life until a delivery error sends him a specialized android named Seri. Seri possesses advanced biomorphic capabilities, enabling it to transform into various physical forms based on programming or input. Takuya, who has nerdy interests including an enthusiasm for cosplay idols, directs Seri to emulate appearances ranging from fictional characters to real-life individuals like his co-workers. Seri also helps Takuya pursue his interest in the idol Nazuna Suzushiro by aiding in identifying and locating her. Takuya's acquisition and use of Seri serves as the central catalyst for the narrative's events.