We meet again/ Yoongi

Y/n is the last person left after a nuclear war destroyed and killed almost everything. What she doesn't know is that another person, Yoongi, is also left after the war. Yoongi and y/n when to school together and were best friends all their lives until Yoongi got a girlfriend. He spent all of his time with her and left y/n alone. They eventually grew apart and got new friends. Y/n moved away and they haven't talked for 8 years. But now Yoongi and y/n meet again and have to survive together on what little they have.