Y-Y - Kkoome

Y-Y - A girl who wants to date

Y-Y - Aboji (Feat. Psy)

Y-Y - Amudo (Feat. Kang Jinwoo from Bounce)

Y-Y - Beautiful World (Miracle)

Y-Y - Erase

Y-Y - Gurolkabwa

Y-Y - Nabange Kum

Y-Y - Nan haengbokhae

Y-Y - Oorin Ahjik Saranghago Ittah / Yet

Y-Y - Q

Y-Y - Words hard to say

Y-Y - A song for you

Y-Y - And I love you

Y-Y - Andant'e

Y-Y - Beautiful One

Y-Y - Because of the memory

Y-Y - Before it all leaves

Y-Y - Believe

Y-Y - Bimil

Y-Y - Chageun yeonmot

Y-Y - Chal Mot

Y-Y - Chamaboryeohae

Y-Y - Chararee

Y-Y - Christmas wishes

Y-Y - Crazy for U (Feat. Jukhyulgu Tommy)

Y-Y - Dangsineung Sarangbatgi Wihae Taeeonan Saram

Y-Y - Dasi Mannalsu Itdamyeon (Mutjima Paemilli OST)

Y-Y - Dream

Y-Y - Dream (Janghuibin O.S.T)

Y-Y - Eebyul Hoo Eebyul

Y-Y - Engkhol

Y-Y - Enough

Y-Y - Escape

Y-Y - First Kiss

Y-Y - Flower

Y-Y - Forever You

Y-Y - Gamyon

Y-Y - Geuman

Y-Y - Geurigo Saranghae

Y-Y - Goodbye My Love

Y-Y - Grace

Y-Y - Gu Gireso

Y-Y - Gureso Ochorago

Y-Y - Hagi Himdun Mal

Y-Y - Hanbonman

Y-Y - Hwahehe

Y-Y - I Believe (Japanese Version)

Y-Y - I count to ten

Y-Y - I Jugilnome Sarang

Y-Y - I'll cry it out

Y-Y - I'm happy

Y-Y - I'm telling you, you are my woman

Y-Y - Ibmoyang

Y-Y - Ibyeoriyagi (Lee Ji Hoon, Lee Soo Young. Shin Hye Sung)

Y-Y - J ege

Y-Y - Jongmal Da Ijul Jul Aranunde

Y-Y - Karosu keuneul arae seomyeon

Y-Y - Keureego Saranghae

Y-Y - Kieok ttaemune

Y-Y - Kkot

Y-Y - Kkotteureu Jigo

Y-Y - Kuth

Y-Y - Kwanghwamoon Yeonga

Y-Y - Like Rain Like Music

Y-Y - Love Song (Simply Sunday + Lee Soo Young)

Y-Y - Moreujee

Y-Y - Namu

Y-Y - Ne Yojaranikka

Y-Y - Neane Gude

Y-Y - Onulgathun Bam

Y-Y - Paradise

Y-Y - Rarara CH

Y-Y - Sagje

Y-Y - Sarang Ha Na Yo!?

Y-Y - Saranga Annyong

Y-Y - Sarangdo Gakkum Shwioyajyo

Y-Y - Sarangi Jeomanchigane

Y-Y - Sarangi Jinagamyeon

Y-Y - Sarangul Jiuda

Y-Y - Seperation after seperation

Y-Y - Seuchideut Annyeong

Y-Y - Shape of your lips

Y-Y - Shirin

Y-Y - Sijakdoeneun Yeoindeureul Wihayeo (Lee Jeong Bong and Lee Soo Young)

Y-Y - Small pond

Y-Y - Teongkeureonee

Y-Y - This deadman's love

Y-Y - Umagshigan

Y-Y - Uri

Y-Y - Wechyobonda

Y-Y - What's All This Then?

Y-Y - When love passes

Y-Y - Will Be Mine (Jangnallawa Chingudeul)

Y-Y - Will be mine (Jangnara and friends)

Y-Y - Yeonae Hago Sheep'eun Yeoja

Y-Y - Yeonaehagosipeun Yeoja

Y-Y - Yeoreul seeo poayo

Y-Y - Yohengganun Gil