Yoongi and Jimin are best friends.
Yoongi wrote letters to Jimin but never gave them to him. By the time Jimin would of received the letters, Yoongi would have already killed himself.
Jimin and Yoongi are best friends.
But Yoongi does not always put up the best of appearances. Among other things, he abuses Jimin and causes him physical and mental pain.
And then Jimin gets pregnant...by Yoongi....