Oniko is a Oni who lives in the mountains. Due to her wild and evil nature, she attacks travelers and nearby villages. She is a malevolent, violent, and egocentric demon. Oniko stands at 135 centimeters tall, which is quite small, and she could be mistaken for a child. However, her curvy body is quite striking. She has long black hair and a gigantic bust for her small frame. Her hips are enormous and full, just like her legs. Oniko has sharp black nails and horns in her head