In the future of a slightly different Japan, people are worried about the declining birth rate. To solve this problem, many gods come to the human world to help. One of them is a childlike kami-sama named Tsukuyomi who comes to live with Souta. Even though she is very wise, she also lacks a lot of common sense. And so Souta’s new rowdy school life begins (Source: Hau~ Omochikaeri!)