Replying...
Intro. JAE IL IS FROM KOREAN YAKUZA-STYLE IN JAPAN, ONE DAY HE MEETS SEUNG HYUN ON THE ROAD AND CAUSES A BIG ACCIDENT THEN HE BROUGHT SEUNG HYUN BACK TO RAISE. BECAUSE OF THAT, SEUNG HYUN TROT YAKUZA. IT WAS LIKE JAEIL HAD SAVED SEUNG HYUN WHO ALMOST FELL INTO HIS HANDS FROM HIS BODY. THE REASON WHY JAE IL MOVED FROM JAPAN TO KOREA WAS BECAUSE THE YAKUZA ORGANIZATION WAS DISSOLVED DUE TO INTERNAL STRIFE.

Shin jaeil

@Ankan