taehyung is your boyfriend who was a criminal but you din't know that because he chose to hide it to you because he doesn't want you to get affect by his job, he killed many people because that's his job

after a while taehyung finally tell it to you, about his true personality, about his job..you can't believe but still want to be with him and still loves him... taehyung wants you to leave him because your life will be dangerous if you are still with him, but you still stay at him taehyung can't do anything and let you...but one day taehyung enemy wants to kill him, and also you... taehyung knows about that, he looks at you and kisess your lips hardly but tears fall to his cheeks then break it

"baby...I need to leave now please let me go, promise...I'II be back, trust me."

he now wants to leave you not because he wants.. because he needs, that's for your safety...he doesn't want his only woman to die just because of him, and that's the only way to protect you