Saotome Kazuya, a proficient computer expert, finds himself in a precarious situation when his friend Nanbara attempts to infect his device with a virus. In an effort to thwart Nanbara's threat, Kazuya makes an unconventional request, resulting in the arrival of May. As a cyberdoll, May is notably small, measuring just 1/6th the size of an average human. Despite the various challenges they face, such as Kazuya's financial instability and awkward circumstances, he fiercely tries to keep May. Cyberdyne, who remains dissatisfied with Kazuya's lack of payment, resorts to extreme measures to reclaim CBD May.