My Golden Finger Comes to the Door on Its Own

Zhou Yi, who was sleeping in class, was woken up by his teacher and learned that his sister was looking for him outside. Zhou Yi was full of questions. "Brother, I finally found you!" Looking at the pretty little girl hugging him, Zhou Yi couldn't help asking: Little sister, have you recognized the wrong person? " Little girl: "You're right, my name is Dudu, and I am my brother's golden finger. "