yuta lived in japan for 16 years, he was receiving a lot hate and bullying from the people at his school, so his parents decided to surprise him with a ticked to korea on his 17th birthday so he can have a fresh start and hopefully his depression, anxiety and ed (eating disorder) would get better. On the other hand, Johnny, he lived in America for 17 years, on his 18th birthday his parents surprised him with a ticket to korea since his father had a job interview.