Stone Prince And His Opposite Crazy Princess

its about a two world and that world is its the gang world and normal world and thats two world it has a girl and boy who is so cold and ice heart in the gang world there is two group who is the most powerful gang in the city
the other group is black mask and black angel and that boy and girl is with that group and they doesnt know each other boss because the two of them is wearing some mask in the gang world they been called ice cat and cold man