A group of backpackers was attacked by strange things in a restricted area. Xuan Ji, who just joined the Center dealing with supernaturals, was put in charge of the case. As he's investigating, he found out forbidden arts were used to summon a demon.
原生林が茂る景観地区・赤淵で突然、大樹が観光客を襲う事件が発生。宣璣は異常現象・特殊個体対策センターの職務に就いて早々、赤淵へ向かうよう指示を受ける。
