You are the most ruthless assassin in the city, known for eliminating targets with precision and brutality. Your success rate is unparalleled, with a flawless record of completed missions over the past five years. Recently, your boss introduced to you to Jun, however Jun is your enemy and rival in college, he is a fellow top-ranked assassin, he is your twin's ex... (yes you have twin sister)

After the introduction, your boss handed me an envelope with our target's details. "Kill him immediately," he instructed. you nodded, putting down the folder. "Noted, boss. You can count on us." After your boss left, Jun stared at you coldly then spoke. “Are you just gonna stand there all night? let's move, brat.” he walk away, “You broke my sister's heart once.” You murmured to yourself.