| 에잇 (Eight) CD single | English #1 French +21 |
| 레옹 (Leon) Yeongdong Highway Music Festival | English Russian
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| 소격동 (Sogyeokdong) | English Greek +2 |
| 잊어야 한다는 마음으로 (With the Heart to Forget You) Cd single | English Russian +2 |
| 10월 4일 (October 4th) (10wol 4il) A flower bookmark, Pt. 3 | English Polish +2 |
| 23 CHAT-SHIRE | English #1 Russian +3 |
| 4AM Last Fantasy | English French +2 |
| 입술 사이 [50cm (Between the lips)] (ibsul sai) Modern Times | English Greek +3 |
| 미인 (A Beautiful Person) (miin) A flower bookmark, Pt. 3 | English Polish +2 |
| 시간의 바깥 (Above The Time) (sigan-ui bakkat) Love Poem | English French +4 |
| A Dreamer Growing Up | English Russian +1 |
| 어푸 (Ah puh) (eopu) LILAC | English Russian
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| 가을 아침 (Autumn Morning) (ga-eul achim) 꽃갈피 2 (A Flower Bookmark II) (2017) | English Russian +5 |
| 싫은 날 (Bad Day) (silh-eun nal) Modern Times | English Russian +1 |
| 삐삐 (BBIBBI) (ppippi) Single | English French +12 |
| Beautiful Dancer Can You Hear Me? | Russian Transliteration +1 |
| Black Out Palette | English Russian +3 |
| Blueming Love Poem | English Spanish +9 |
| 바이, 썸머 (Bye, Summer) (bai, sseommeo) Bye, Summer | English Chinese +3 |
| 사랑이 잘 (Can‘t Love You Anymore) (salang-i jal) Palette | English Spanish +8 |
| Celebrity LILAC | English #1 Japanese +11 |
| Coin LILAC | English Russian +5 |
| 이름에게 (Dear Name) (ileum-ege) Palette | English Greek +6 |
| 이 지금 (Dlwlrma) (i jigeum) Palette | Russian Thai +1 |
| 드라마 (Drama) (deulama) Pieces | English Japanese +1 |
| 빈 컵 (Empty Cup) (bin keob) LILAC | Portuguese Russian +1 |
| 이런 엔딩 (Ending Scene) (ileon ending) Palette | English #1 Greek +10 |
| 에필로그 (Epilogue) (epillogeu) LILAC | Portuguese Russian #1 +1 |
| 누구나 비밀은 있다 (Everybody Has Secrets) (nuguna bimil-eun issda) Modern Times | English #1 Spanish +8 |
| 매일 그대와 (Everyday With You) (maeil geudaewa) 꽃갈피 2 (A Flower Bookmark II) (2017) | English Japanese +3 |
| 하루 끝 (Every End of the Day) (seumu sal-ui bom - halu kkeut) Spring Of A Twenty Year Old | English French +2 |
| Everything's Alright Last Fantasy | English Russian +1 |
| 꽃 (Flower) (kkoch) 꽃갈피 (Flower Bookmark) | English Russian
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| Flu LILAC | English Russian #1 +4 |
| 금요일에 만나요 (Friday) (geum-yoil-e mannayo) Modern Times - Epilogue | English #1 Indonesian +5 |
| 마침표 (Full Stop) (machimpyo) Palette | Russian #1 Thai +3 |
| 안경 (Glasses) (angyeong) CHAT-SHIRE | English #1 Persian +5 |
| 우울시계 (Gloomy Clock) (uulsigye) Modern Times | English Greek +4 |
| 좋은 날 (Good Day) (joh-eun nal) Real | English French +8 |
| Good Day (Japanese version) | English #1 Spanish +3 |
| 마음 (Heart) (ma-eum) CHAT-SHIRE | English Portuguese +2 |
| 홀씨 (Holssi) (holssi) The Winning | English Polish +2 |
| 관객이 될게 (I stan U) (gwangaeg-i doelge) The Winning | English Japanese +3 |
| 잼잼 (Jam Jam) (jaemjaem) Palette | English Portuguese +4 |
| 무릎 (Knee) (muleup) CHAT-SHIRE | English Russian +3 |
| 어젯밤 이야기 (Last Night Story) (eojesbam iyagi) 꽃갈피 2 (A Flower Bookmark II) (2017) | English Portuguese +3 |
| Last Scene A flower bookmark, Pt. 3 | English Polish +1 |
| 라일락 (LILAC) (laillag) LILAC | English Korean +8 |
| 미아 (Lost Child) (mia) Lost and Found | English Greek +6 |
| 그렇게 사랑은 (Love Alone) (geuleohge salang-eun) Palette | English Portuguese +3 |
| 러브레터 (Love Letter) (leobeuleteo) Pieces | English Russian
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| 을의 연애 (Love of B) (eul-ui yeon-ae) Modern Times | English Russian
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| Love Poem Love Poem | English Spanish +13 |
| Love wins all | English Spanish +16 |
| 자장가 (Lullaby) (jajang-ga) Love Poem | Russian #1 Transliteration +2 |
| 너의 의미 (Meaning of You) (neoui uimi) 꽃갈피 (Flower Bookmark) | English Chinese +3 |
| Modern Times Modern Times | English Russian
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| 나의 옛날이야기 (My Old Story) (naui yesnal-iyagi) 꽃갈피 (Flower Bookmark) | English French +5 |
| 아이와 나의 바다 (My Sea) (aiwa naui bada) LILAC | English French +7 |
| 잔소리 (Nagging) (jansoli) I□U | English Greek +2 |
| Never Ending Story A flower bookmark, Pt. 3 | English Japanese +2 |
| 정거장 (Next Stop) (jeong-geojang) Pieces | English Spanish +1 |
| Obliviate Modern Times | English Spanish +3 |
| 팔레트 (Palette) (palleteu) Palette | English French +5 |
| 복숭아 (Peach) (bogsung-a ) Spring of a Twenty Year Old | English Greek +4 |
| 삐에로는 우릴 보고 웃지 (Pierrot Laughs At Us) (ppieloneun ulil bogo usji) 꽃갈피 (Flower Bookmark) | English Russian #1 +2 |
| Rain Drop I□U | English Russian
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| Red Queen CHAT-SHIRE | Russian Transliteration +1 |
| 빨간 운동화 (Red Sneakers) (ppalgan undonghwa) A flower bookmark, Pt. 3 | English Polish +1 |
| 비밀 (Secret) (bimil) Last Fantasy | English Portuguese +2 |
| Shh.. The Winning | English Chinese (Cantonese) +4 |
| Shopper The Winning | English Japanese +4 |
| 네모의 꿈 (Square's dream) (nemoui kkum) A flower bookmark, Pt. 3 | English Polish +1 |
| strawberry moon strawberry moon – single | English Portuguese +2 |
| 분홍신 (The Red Shoes) (bunhongsin) Modern Times | English Russian +3 |
| 푸르던 (The Shower) (puleudeon) CHAT-SHIRE | English Russian +2 |
| 나만 몰랐던 이야기 (The Story I Didn't Know) (naman mollassdeon iyagi) REAL+ | English French +4 |
| 그 사람 (The Visitor) (geu salam) Love Poem | English Russian +2 |
| 밤편지 (Through the Night) (bampyeonji) Palette | English Russian +3 |
| 스물셋 (Twenty Three) (seumulses) CHAT-SHIRE (EP) (2015) | English #1 Greek +10 |
| 미운 오리 (Ugly Duckling) (miun oli) Lost and Found | French Hungarian +1 |
| 삼촌 (Uncle) (samchon) Last Fantasy | English Greek +2 |
| unlucky Love Poem | English Russian
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| Voice Mail (Korean version) Modern Times | English Russian
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| 사랑이 지나가면 (When Love Passes By) (salang-i jinagamyeon) 꽃갈피 (Flower Bookmark) | Russian
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| 겨울잠 (Winter Sleep) (gyeouljam) Pieces | English Spanish +3 |
| 너 (You) (neo) Pieces | English Russian
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| 너랑 나 (You & I) (neolang na) Last Fantasy | English French +9 |
| 있잖 아 (You Know) (issjanh a) Lost and Found | English Hungarian +1 |
| 제제 (Zezé) (jeje) CHAT-SHIRE | English Russian
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