The blood that flows to me, the blood of my grandmother who annoys me. I know I can't erase it easily, but I found a way to divide happiness. The only magical girl who delivers happiness to weak people.
The blood flowing in my veins is my grandma's, and she seems to trouble everyone around her. I know there's no escaping that bond, but I found a way to spread just as much joy as trouble! Thus "Phantom Thief Karin" was born... A Magical Girl who brings happiness to the weak.