Shingo Suzuki

Many years after a great tragedy killed 90% of the people in Japan, three girls arrive in the ruins of Tokyo. In the devastated capital, their unusually clean clothes set them apart. But that's not the only strange thing about them - they also each wield supernatural powers. They call themselves "Coppelion," and are on a mission to save the people of Tokyo. (ANN)

Since the Island Academy Incident, silver clansmen Kuroh Yatogami and Neko have been searching for their master, Yashiro Isana, the Silver King. Their search having turned up fruitless, the two begin to give up hope, until they encounter Anna Kushina and Rikio Kamamoto, two members of the red clan HOMRA being chased by someone (imdb).