Until you came.....Part I

A rude, cold hearted, famous ,kpop idol member of famous group BTS , whose name is Kim Taehyung, who thinks he is a CRAZY MONSTER, and regrets falling in love in past mets a innocent, kind-hearted & lovable girl named Y/N.....After their meeting...will she be able to change him?? Will she can able to bring his life from darkness?? & if she do so, will they both be able to live forever together??What if someone takes happiness from Taehyung i.e. Y/N...will he be able to get back Y/N??Will he be able to make Y/N completely for himself??will he make Y/N to love only him??