Can't lose you🖤 (jeanmarco modern au)

Jean kirschtien is a 23 year old boy living on his own, years ago when he was 16 he got in a terrible fight with his best friend Marco bodt, he finds out Marco stayed with someone in his apartment building after they meet in the elevator, will they make up? What will happen if they do? Will we find out what jean said that made Marco leave? Read to find out.