Juezuzero: the Girls Are All Very Nice, I Want to Be a Human Being

In New Ailidu, the small smart device [Bangbu] is deeply loved by people--it is small and exquisite, obedient and capable, it is simply a perfect beast! Ren Taigang originally liked it too, until... He became Bang Bu. Study, make money, and advance in technology. Even if you can't return to being a human, you still have to find a way to mechanically ascend! After all, he only has food and sex, so he is just a common person. [Zero Zero + Behind the Scenes + Technological Farming] [Using Juezu zero background design and character design, but not touching the main plot... Is it considered a light doujin?