maybe park shin hye. because many 팬 found proof that they sometimes meet with each other secretly and they wear same ring.maybe it's couple ring.yong hwa also looked 더 많이 happy when he with shin hye..
I think its me in soon i dont wont to make 당신 a girlfriend but 당신 can decide of that hehehe In true i dont know if who is your girlfriend but even that i wont to say 당신 a goodluck i hope 당신 find a good and kind person and believe a distiny