【中英字】歌詞版《한번 더 해피엔딩》(再一次 Happy Ending) OST Part.4~《If》(如果) －Elsa Kopf

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《한번 더 해피엔딩》(再一次 Happy Ending) OST Part.4~
《If》(如果) －Elsa Kopf

Chinese lyrics~translated by Eileen Hsu
中文歌詞翻譯~Eileen Hsu