God was dead for some time, and the angels in heaven decided that it was time to find a replacement. Although it is very reluctant, the angel rain was chosen as one of the four candidates who will be considered to become the next God. He and four other candidates will come down to Earth throughout the year so that they can pass the test to determine their suitability for this position, with the ability to reveal their true person to man from the ground. Therefore, Natsuma is wide, a very normal high school student who dreams of becoming a teacher, chosen by an angel rain to help her. As for the test, Rhine and Shiro must raise the "child", without one's own thoughts or emotions, is in the creature as close as possible to man.