Demonic Battle: Xiāochú vs Demon

My name is Ahatake
"Onii-san!" Akiko Amya}the young girl whined pulling her brother along by the hand. "C'mon, there's someone you gotta meet!"

"Why?" the golden=eyed boy replied. "Better yet, who? Some other sibling I don't know about?"

"No Onii-san!" Akiko replied. "Echo-chan I brought him!"