• Lonely - Story Op.2 (Lyricist & Composer)
• 1000 - Story Op.2 (Lyricist & Composer)
• 멍하니 있어 (Just Chill) - Story Op.2 (Lyricist & Composer)
  
• Love is So Nice - Story Op.2 (Lyricist & Composer)
  
• 눈싸움 (Blinking Game) - Story Op.2 (Lyricist & Composer)
  
• 엘리베이터 (Elevator) - Story Op.2 (Lyricist & Composer)
  
• 놓아줘 (Let Me Out) - Story Op.2 (Lyricist & Composer)
  
• 벽난로 (Fireplace) - Story Op.2 (Lyricist & Composer)
  
• 따뜻한 겨울 (Our Season) - Story Op.2 (Lyricist & Composer)
  
• 바퀴 (Where are you) - Story Op.2 (Lyricist & Composer)
  

2016

• Don't Stop -1 of 1 (Lyricist)
  
• 벌써 (Already) by Taemin             (Lyricist & Composer)
  
• 한숨 (Breathe) - Lee Hi 'Seoulite' (Lyricist & Composer)
•  좋아 (Good) - She Is                      (Lyricist & Composer)
  
• White T-Shirt - She Is (Lyricist)
  
• 우주가 있어 (Orbit) - She Is           (Lyricist & Composer)
  
• Moon - She Is (Lyricist & Composer)
• AURORA - She Is (Lyricist & Composer)
  
• Dress Up - She Is (Lyricist & Composer)
• Cocktail - She Is (Lyricist & Composer)
• Red - She Is (Lyricist & Composer)
• Suit Up - She Is (Lyricist & Composer)
• Prism - 1 of 1 (Composer)
  
• Don't Stop - 1 of 1 (Lyricist)
• Inspiration - S.M. Station              Season 1 (Lyricist & Composer)
  

2015

• 데자-부 (Déjà-Boo) - Jonghyun feat. Zion.T for Base (Lyricist & Composer)
  
• Crazy (Guilty Pleasure) - Jonghyunfeat. Iron for Base (Lyricist)
  
• 할렐루야 (Hallelujah) - Base (Lyricist)
  
• Love Belt - Jonghyun feat. Younha for Base (Lyricist & Composer) 
• NEON - Base (Lyricist & Composer)
  
• 일인극 (MONO-Drama) - Base (Lyricist)
  
• 시간이 늦었어 (Beautiful Tonight) - Base (Lyricist & Composer)
  
• 포춘쿠키 (Fortune Cookie) - Base   (Lyricist & Composer)
  
• No More - by Lim Kim for Simple Mind (Lyricist & Composer)
• Odd Eye -Odd (Lyricist & Composer)
• View -Odd (Lyricist)
• Odd Eye -Married to the Music (Lyricist & Composer)
• View -Married to the Music (Lyricist)
• Chocolate -Married to the Music (Lyricist)
• Playboy (Korean ver.) by EXO (Lyricist)
  
• Playboy (Chinese ver.) by EXO (Lyricist)
• 하루의 끝 (End of a Day) - Story Op.1 (Lyricist & Composer)
  
• U & I - Story Op.1 (Lyricist & Composer)
• Like You - Story Op.1                       (Lyricist & Composer)
• 산하엽 (Diphylleia Grayi - Story Op.1 (Lyricist & Composer)
  
• Happy Birthday - Story Op.1          (Lyricist & Composer)
• 미안해 (I'm Sorry) - Story Op.1        (Lyricist & Composer)
  
• 02:34 - Story Op.1 (Lyricist & Composer)
• 그래도 되지 않아? (Fine) - Story Op.1 (Lyricist & Composer)
  
• 내일쯤 (Maybe Tomorrow) - Story Op.1 (Lyricist & Composer)
  
• Elevator - Monthly Live Connection (Lyricist & Composer)
  
• 가을이긴 한가 (It Must Be Autumn)            - Monthly Live Connection (Lyricist & Composer)
  
• 애월 (愛月) (Aewol) - Monthly Live Connection (Lyricist & Composer)
  

2014

• Pretty Boy by Taemin ft. Kai (Lyricist)
  

2013

• Spoiler -Dream Girl (Lyricist)
  
• Spoiler - The Misconceptions of Us (Lyricist)
• 오르골 (Orgel) - Why So Serious? - The Misconceptions of Me (lyricist)
  
• 너와 나의 거리 (Selene 6.23)                                      -The Misconceptions of Us (Lyricist)
  
• Music Box -The Misconceptions of Us (Lyricist)
• Dangerous -The Misconceptions of Us (Lyricist)
• 버리고 가 (Better Off) -The Misconceptions of Us (Lyricist)
• 오르골 (Music Box) -Why So Serious?                   - The Misconceptions of Me (Lyricist)
  
• Dangerous (Medusa II) -Why So Serious?              - The Misconceptions of Me (Lyricist)
  
• 상사병 (Symptoms) -Everybody (Lyricist)
  
• 우울시계 (A Gloomy Clock) by IU -Modern Times (Lyricist & Composer)
  
• Red Candle by Son Dam Bi (Lyricist & Composer)
  

2012

• 알람시계 (Alarm Clock) -Sherlock (Lyricist)
  
• 늘 그자리에 (Honesty) -Sherlock (Lyricist)
  

2011

• Juliette (Jap ver.) -The First (Lyricist)
  

2010

• Up & Down -Lucifer (lyricist)
  
• 욕 (Obsession) -Lucifer (lyricist)
• 악 (Shout Out) - Lucifer (lyricist)
  

2009

• Juliette -Romeo (lyricist)