Who's the Mastermind behind all this?

Jeon Jungkook a dangerous Mafia King Who everyone fears of, is said about him that he is heartless, ruthless and kills his enemies mercilessly, but one day everything changes when he meets a delicate girl who must be protected from this evil world...
But really does this girl must be protected?

Caressing her cheek and staring in her eyes lovingly he said

Jungkook: I look at you, and It terrefies me. It terrefies me what i would do for you...

Y/N: (scoff) i can take care of myself on my own Jeon! And Need to show me your fake sympathy (Eye rolled)