C310 No More Separation
At the last moment when Leng Shaoting said "I love you," he was ready to die. He already knew what Leng Ming'an's order to Jian Yinuo was. When Jian Yinuo heard "I love you," she would kill the person in front of her.
Leng Ming'an's repeated training made Jian Yinuo have a conditioned reflex. As long as she heard those three words, she would start to kill, including Leng Ming'an himself