If possible, don't get involved with me, if you don't want to get hurt.

Kim Ha-neul (female protagonist), a killer and gang boss. And Jeon Jung-kook (male protagonist), the youngest member of the famous top idol group BTS. Ha-neul is close with one of the BTS members, but he's increasingly suffocating them. Now that Ha-neul is entangled with BTS, more and more people are trying to harm them. Ha-neul tells BTS, "If possible, avoid getting involved with me. If you don't want to get hurt, you'll only endanger yourselves."