作詞：KiSeop・Kevin 作曲：U-KISS・Ryudai Abe  I know it was not easy but we came a long way Listen Be my one and only I'll never let you go I'll always be by your side You're the only one for me and I know that we belong together Girl After all this time I realized you're the one for me Every moment I spend with you is a beautiful story I never want to forget You've taught me what love is and now I know I will love you now and forever And our story starts now