In a world where every boy and girl has a special power called Iris, Toru who, as a result of not having any kind of special power, was bullied from a young age, lives by his motto ("low exposure") to live without standing out. But his peaceful school life changes when he receives a certain confession from the school's most popular girl, Koyuki. His motto begins to shake!!
The school fantasy story that shakes the heart begins with their meeting.