▁Jo ▁D ong - he e ▁Kim ▁Bo - mi ▁as ▁Mak - ny un , ▁Jung - hy ang ' s ▁ma id ▁Je on ▁Jin - gi ▁Im ▁Ho ▁as ▁Lee ▁My ung - ki ▁Y oo ▁Y un - ji ▁Je ong ▁Yu - mi ▁Ch oi ▁So o - han ▁T ae ▁H w ang ▁ ▁Original ▁sound track ▁ ▁Rat ings ▁ ▁Source : ▁T NS ▁Media ▁Korea ▁ ▁Awards ▁and ▁nomin ations ▁ ▁Cont inu ity ▁errors ▁ ▁In ▁E 0 9 ▁Sang - g ung ▁uses ▁the ▁pen ▁name ▁Hy ew on ... ▁before ▁this ▁pen ▁name ▁has ▁been ▁given ▁( E 1 3 ). ▁ ▁In ▁E 1 5 ▁ 5 6 : 2 8 , ▁the ▁bad ▁gu y ▁is ▁plain ly ▁played ▁by ▁the ▁same ▁actor ▁as ▁the ▁myster ious ▁man ▁( B a ek ▁D ong - so o ). ▁ ▁Problem s ▁in ▁sex ages imal ▁cycle . ▁When ▁" now " ▁is ▁ 1 7 7 7 ▁= ▁je ong - y u ▁ 정 유 , ▁then ▁" ten ▁years ▁before " ▁is ▁ 1 7 6 6 ▁= ▁by e ong - s ul ▁ 병 술 . ▁And ▁not ▁by e ong - jin ▁ 병 진 . ▁Both ▁the ▁Korean ▁sound track ▁(" every where ") ▁and ▁the ▁Chinese ▁characters ▁in ▁the ▁" secret ▁library " ▁( E 1 4 , ▁ 0 9 : 2 7 ) ▁are ▁describing ▁ <0xE4> <0xB8> <0x99> <0xE8> <0xBE>