Some fans theorize that “15-02” is a in-universe code. Others believe it’s a subtle reference to — a significant date in Indian cyber history, when the first major data theft case was reported in Mumbai. The creators have neither confirmed nor denied this.

"Lisa" is often a name used by content creators (like IELTS Listening channels on YouTube) or specific test centers to label the audio files. The actual test questions belong to Cambridge/IELTS.