Killing presidential candidate Jeon Jung-kook

"Murder presidential candidate Jeon Jungkook. If you do your job well, I'll give you 800 million won." A whopping 800 million won. A sweet offer for the female protagonist, who needs money. To save her frail younger brother, Kim Taehyung, she must kill Jeon Jungkook? Jeon Jungkook, a man with more scars than he looks. Is it okay to just kill this poor man?