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1. FLOWERLD - Billlie
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2. everybody's got a $ECRET (instrumental version) - Billlie
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3. M◐◑N in the fog - Billlie
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4. GingaMingaYo (the strange world) (Japanese Version) - Billlie
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5. BYOB (bring your own best friend) (English Version) - Billlie
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6. dream diary ~ etching mémoires of midnight rêverie - Billlie
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7. BYOB (bring your own best friend) (Japanese Version) - Billlie
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8. snowy night - Billlie
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9. RING X RING - Billlie
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10. RING ma Bell (what a wonderful world) - Billlie
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11. prologue ~ 11 - Billlie
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12. nevertheless - Billlie
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13. M◐◑N palace - Billlie
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14. trampoline - Billlie
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15. the rumor - Billlie
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16. overlap (1/1) - Billlie
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17. extra-ordinary - Billlie
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18. Bluerose - Billlie
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19. believe - Billlie
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20. EUNOIA - Billlie
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21. shame - Billlie
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22. Star - Billlie
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23. Shame - Billlie
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24. Trampoline - Billlie
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25. Nevertheless - Billlie
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26. Believe - Billlie
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27. Star! - Billlie
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28. SNAP (MOON SUA & SIYOON) (feat. sokodomo) - Billlie
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29. SNAP (MOON SUA & SIYOON) (feat. sokodomo) (English Version) - Billlie
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30. The Magic!an (MOON SUA, SHEON & SIYOON) - Billlie
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31. nevertheless - Billlie
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32. $UN palace (Stroop effect) - Billlie
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33. a sign ~ overture to Billlie - Billlie
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34. the rumor ~ whatchamacallit - Billlie
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35. remembrance candy (기억사탕) - Billlie
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36. Patbingsu (feat. Yoon Jong Shin) - Billlie
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37. my B = the Birth of emotion - Billlie
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38. GingaMingaYo (the strange world) - Billlie
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39. enchanted night ~ white night (白夜) - Billlie
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40. BYOB (bring your own best friend) - Billlie
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41. Mcguffins ~ who's the Joker? - Billlie
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42. January 0th (a hope song) (1월 0일) - Billlie
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43. everybody’s got a $ECRET - Billlie
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44. DANG! (hocus pocus) (Japanese Version) - Billlie
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45. DANG! (hocus pocus) (English Version) - Billlie
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46. B'rave ~ a song for Matilda - Billlie
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47. welcome to the strange world ~ GGMGY - Billlie
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48. moon palace ~ the invitation - Billlie
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49. Highway Romance (feat. Yoon Jongshin) - Billlie
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50. BTTB (Back to the Basics) - Billlie
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51. lionheart (the real me) - Billlie
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52. B@ck 2 where we Belong - Billlie
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53. the eleventh day - Billlie
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54. Star (Instrumental) - Billlie
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55. epilogue ~ reprise - Billlie
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56. DANG! (hocus pocus) - Billlie
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57. a sign ~ anonymous - Billlie
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58. various and precious (moment of inertia) - Billlie
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59. the soul savior ~ I don’t need a superman - Billlie
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60. everybody's got a $ECRET (Japanese Version) - Billlie
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61. DOMINO ~ butterfly effect (Japonese Version) - Billlie
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62. flipp!ng a coin - Billlie