Why/I'm sorry

So I'm just going to do the rest of I'm sorry/Why story here the first of the book is in my other account (Bangtanlover2424)

Taehyung and jungkook were perfect from high school sweet hearts to happily married and now parents everything was looking good but that's what jungkook thought

On an ordinary day like the ones before but this day was different because when jungkook came back from his best friends house taehyung was gone

Will jungkook have to take care of their son alone or will taehyung come back and ask for forgiveness.