One day, Haibara received a hint from the black organization, ordering him to kill Miyano Akemi who was still alive if he did not kill Jin within six months and leave no traces. When he knew that his only relative was still in this world, he tried every means to find out about Jin's whereabouts. But when Haiyuan thought about his now smaller body, it was not easy to get close to the top 5 hunters in the world. Then, she thought of Jin's son - Jay...
Relying on Haiyuan's superhuman IQ and perseverance to see his sister, Haiyuan soon found Jie in NGL. Because of Jie's simplicity, he and Jie quickly became good friends. Hui originally thought that as long as he kidnapped Jie as a hostage, he would be able to lure out Jin, but he completely ignored Qi Sui who was always by Jie's side. Since Qi Shao was born into a family of killers, he relied on his own intuition to guard and be wary of Hui Yuan who was coming to kill him halfway, which became a stumbling block for Hui Yuan. In order to save time, Huiyuan finally found a chance to kill Qiwei, but at this moment, Jie saw Huiyuan's actions...