From Oppa to Appa: A BTS Jin FF COMPLETED!
Kim Seokjin had a baby sister who was only 7 years old when he became a trainee for BTS at the beginning of 2011. While he missed Ryung-gi, he tried to stay in touch as much as he could. In the time he was away, he took on the role of helping to raise Jeon Jungkook, the maknae of BTS. However, in April of 2014, Jin go...