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- 初恋キラー①乃紫(noa)Vocal1collabYUCKI
- 唱AdoVocal1collabYUCKI
- 残響散歌AimerVocal1collabYUCKI
- アイドルYOASOBIVocal1collabYUCKI
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- Mela!緑黄色社会Vocal1collabYUCKI
- Until I found youStephen Sanchez & Em BeiholdVocal1collabYUCKI
- Until I found you (harmony part)Stephen Sanchez & Em BeiholdChorusYUCKI