Album Megaupload download.
Credit: http://asianosts.cjb.net/index.php?showtopic=304
Be Mind… Lyrics (Sweet 18 OST)
Singer: Oh Ji Yeon / Romanization by Kreah
(Rap Making: Lee Young Jun) (With Lee Jin Gyu이진규)
(sabi.1) shwibjin anh-getji BUT oryub-chido a-nha
nunul kapgo nae yae-gil turo-bwa
ku-rae chogumsshik hodung-dae-ji malgo
nonun kut nae-ge ppajyodulke dwelkkol
(rap.1) chorom-nun sorimalgo nae-marul turoya BABY
unomnun urin domane shigani piryo-hae
hona kurae-do ku nugudo al su omnun [...]

Download the album through megaupload.
Credit:http://asianosts.cjb.net/index.php?showtopic=304
Laila Lyrics (Sweet 18 OST)
Singer: Im Ha Yeong / Romanization by Kreah
gasum so-khan-guso-ge jarihan
iyudo omnun gu hojon-ham…
kappun sum-shwim-yo haru-rul saldon nae-ge
mal-gum misol go-nnen no
sarangun irohke mariya
ttasaro-un bomchorom tagawa
soksagine haeng-bo-kha-rago lai…laila
usoborago… laila
gachi goroganun bal-korum-gwa
salmyonshi kkoog chabun ni jagun son
nara-nhi gonnun uri mosub-chorom
yongwontorok hamkke hae
haeng-bogun irohke mariya
yo-rum badachorom pyolchyojyo
soksagine haeng-bo-kha-rago lai..laila
usoborago… lai..laila
mae-il charananun [...]

Nae Jakun Sarang Lyrics (Sweet 18 OST)
Romanization by Kreah

Cho-um majuchin ku sunkane
Kudae nae mamye bichi do-otjyo
Koganun nae ki sang-un sarang

Nae sumkyol kadung nukkyochinun
Kudae kamanhi nae gyoturowa
Ddollinun naeson samachunaeyo

Saranghandan malbodo naekyoteissojwoyo
yongwanhiyo
Kudaeman barabunun nae sarang
Kudaedo nawagatkirul
Naejak-un sarangye ban-um salmyoshi
Kudae-ye kedurilkkeyo
Namochi ban naesarang hanullo ollaga
Bidwi-yo kudael jokshinaeyo

Naesumkyon kadungnukkyochinun
Kudae kamanhi nae kyoturowa
Ddollinun naeson chabachuneyo

Saranghandan malbodo naekyoteissojwoyo
yongwanhiyo
Kudaeman barabunun nae sarang
Kudaedo [...]