"I will protect Big Brother! Because it's strange to discriminate against him alone just because he's a child born out of wedlock! —The Irregular will change Big Brother's fate—"

A story where everyone becomes happy with the appearance of an irregular girl. An "irregular" who does not appear anywhere in the Book of Fate. That existence, which rewrites the Book of Fate itself, is the very "power to change destiny" desired by everyone. What is the destiny that this generation's irregular will change? And what will become of the irregular's own love? I am also posting this on Alphapolis.