Tsukimichi Douri, 15 years old. "Escaping" is his specialty. Case in point, he escaped his hometown in Tokyo by enrolling at a high school in Kyoto. But a mysterious, inverted world where a battle for supremacy using "irezumi" tattoos called "Bokusenkon" rages, was waiting for him! Tsukimichi's horribly awesome high school days are about to begin...!!