I have other personalities, said the girl on the night they first met. The self-professed detective Shiraishi Naoya did not believe her at first — there couldn't exist many personalities within one body. But the overfamiliar Nanase, the prudish Senri, the calm Kanna, and the honest Riruka are all real — each with a wish so strong that a personality was born to fulfill it. Naoya ends up bringing the girls home with him. What awaits at the end, when all her wishes are fulfilled?