It's just a number (Xiuchen fanfic)

Kim Minseok, formally known as Xiumin, meets Kim Jongdae, nicknamed Chen. They are ten years apart, Xiumin being 29 and Chen just turning 19, but they end up falling in love. When they find out that their relationship is unacceptable, the two try their best to hide it, but don't succeed.

WARNING: contains lots of swearing and old and young relationships! If you don't like don't read.