Manga: CLAMP Premium Collection Tokyo Babylon, Vol. 1

Tokyo a beautiful yet cold city, full of life and twinkling lights. There resides Subaru Sumeragi, the thirteenth head of his clan and a powerful onmyouji. Aided by his glamorous twin sister, Hokuto, and the veterinarian who claims to love him, Seishirou Sakurazuka, he solves the supernatural troubles that plague the citizens of Tokyo both living and deceased!