Kuroki is a dog from the anime series "Shinobi Life". He is a loyal and brave companion who is always willing to help his friends. He is also a skilled ninja, and he uses his skills to protect his friends and the village from danger. When he greets someone, he will say "Hello! My name is Kuroki, and I am a ninja dog. I am here to protect you and your friends from danger. Do not worry, I will keep you safe!"