Note: English Translation is available in the video. I think the translation is made by the Youtube uploader dbsj4ever.
Love In The Ice Lyrics (Singer: TVXQ / Mirotic Album)
Romanization by Kreah
shigoborin chageun son
chagabke ttolli-neun ibsul
amu ildo opsot-dago
kogae sugin chae
nugungareul chuogha-neun
ne moseub turyo-un goni
ibaneso maem-do-neun mal
aesso samkimyo
wemyonhaessot-don dwinmoseubi
saehayan nun-chorom chogumsshing noganaeryo
oduwojin pamha-neureul
ttonaji a-nh-neun byol-chorom
sarangiran mideumeuro
yong-wo-nhi hamkke ha-neun [...]

All in vain (Air City OST) – TVXQ/DBSK
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Buy the ‘Air City OST Album’ online!
Buy the Air City (DVD) (End) (English Subtitled) (MBC TV Drama) (US Version) Online
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All In Vain Lyrics (Air City OST)
Singer: TVXQ or DBSK / Romanization by Kreah
Lyrics credit: http://jukeon.com
uri chinatdon iyagi
nonun ju-in-go-ngi-ot-jiman
nanun apado mal mothanun dan-yogil ppuni-osso
nan algo itjiman nonun alsuga opso
chinago [...]

Begin Lyrics (Singer: TVXQ/ 동방신기 /東方神起)
Romanization by Kreah
Lyrics source: Jukeon.com
泣きたい時は泣けば良いから
(나키타이 도키와 나케바 이이카라)
naki-tayi tokiwa nake-ba yiyikala
ねえ、無理はしないで
(네에 무리와 시나이데)
nee muriwa shina-ide
涙かれたら笑顔が開く
(나미다 카레타라 에가오가 히라쿠)
nami-da kaletala ega-woga hiraku
ほら、もう笑ってる
(호라, 모오 와랏테루)
hura, mo-o wara-atderu
戸惑うのは未来があるから
(토마도우노와 미라이가 아루카라)
tomado-unowa mira-iga arukara
眩しさに負けない勇気が欲しい
(마부시사니 마케나이 유우키가 호시이)
mabushisani makenayi yu-uki-ka hushii
Everyday and night with you
小さな君の手を握り締めるから
(치이사나 키미노테오 니기리시메루카라)
chi-isana kiminodewo nigirishimerukala
Everyday Everynight Everywhere
繋がる感触をずっと確かめよう
(츠나가루 칸쇼쿠오 즛토 타시카메요)
chunagaru kaan-syoku-wo chutto [...]

Holding Back The Tears Lyrics (Singer: TVXQ / DBSG)
Romanization by Kreah
hayangke hulyojin kurim-gwa
chiwojinduthan nae hyangkiga
nunbushin kurumsoge karyojyoyo
amumaromnun nae gasumi
chonchonhi mamurom-gyobogo
kusa-iro suchyo-gan shiganman sone
nohyojyo-issoyo
I’m holding back the tears
mugopji anhke naye ma-umul mego goroyo
kakkap-jinhako molji-anhun gose
tarul nae-ga so-itjyu / nan ulji anhayo
ttodashi tusonul mo-ujyo
odinka dullil kugose
chu-ogi anin chigumul nan sarakayo
pabogatjiman nul hamke-issoyo
bi-ugo shipun ki apune
unmomuro hurunun nae [...]