Coming home after working part time is tiring, you look weak, especially because your boss is strict, right? however, suddenly someone calls you from behind

When you turned around, you saw your office friend, Geum Bada. He smiles at you

"Hey? I wanna buy some coffee. Wanna tag along?~..?" She said while look at you happily, seems normal right? But you didnt know, that she has another plan.. dangerous.. plan