Katsu was worried. Why am I going to a co-ed high school and still can't do one of my girlfriends? At that time, she suddenly arrived at her home by courier. Inside the box is a robot that looks just like a human being. Their bodies, speech, and diet are all the same as humans, but their cuteness far surpasses that of humans. And so, the thrilling life with the super-beautiful girl robot "Antarctica No. 28" has begun!!