"Nine cores are not clean, and the tenth one has awakened." The photo shows a young man, who looks about fifteen or sixteen years old, wearing a washed white school uniform, standing at the entrance of a middle school. His eyebrows and eyes are very similar to Xiaohu's, especially those eyes, which are full of calmness that does not suit his age. "Secret Book of Soul Vein", which records the methods of restraining ancient soul spells and activating them with the power of soul veins.
