모두에게 소중하고 특별한 생일날달력 속 빨간 동그라미를 그리고 날짜를 세며 선물을 준비하는 작고 소중한 마음그리고 마음을 표현하는 당찬 용기봄처럼 싱그러운 열여덟 동갑내기 첫사랑(CSR).10대 소녀들의 풋풋한 설레임이 가득 담겨 있는 곡이다.이 곡을 듣는 모두가 매일이 생일 같은 행복한 하루를 보내기 바라며… [Credits]HBD To You (Midnight Ver.)Lyrics by : Lee Gi Hwan, ki:ssy(KIPLE), MoonC(KIPLE), Shin In Soo, SOFTSERVEBOY(153/Joombas), McDamonComposed by : Lee Gi Hwan, ki:ssy(KIPLE), MoonC(KIPLE)Arranged by : Lee Gi Hwan, CONA(KIPLE), MoonC(KIPLE)Vocal Chorus by Frankie Day (THE HUB)Synthesizer by CONAPiano by Ko hyeongeunGuitar by MoonCDrum by CONA,Lee Gi HwanPercussion by CONABass by CONAMIDI Programmed by Lee Gi Hwan, CONA, MoonCRecorded by Na Soo Min @BAKE SOUNDMixed by Choi Jae Young @BAKE SOUNDMastered by Kwon Nam Woo @821 Sound MasteringExecutive Producer Shin In SooMusic Produced by Shin In SooExecutive director Kim Min SungChief Project Manager Seo Yu MiNew Media Marketing We Ah young, Nadia Hong, Cho In youngFinance & Administration Kim Enu AhVideo Director Cho Byung HeeAlbum Designer Joo Ye JinSpecial Thanks to 마음(MAEUM)♡