[记录少年少女的初恋故事:《少年少女恋爱》]与不同世代的音乐人一起制作的TVING原创艺能节目《少年少女恋爱》的首支原创音乐OST《시작된 걸까 (Have we started?) (prod. My Aunt Mary)》公开。这是一首用甜蜜的旋律和清爽的节奏表现自从认识了某个人之后，渐渐深陷其中，展开爱情，心情愉悦的歌曲。以《공항 가는 길》、《푸른 양철 스쿠터 (Green Tin Scooter)》、《여름밤 (Summer night)》等歌曲为人熟悉的现代摇滚乐队My Aunt Mary参与了作词、作曲、制作的部分。以独一无二的音色和歌曲创作受到大众喜爱的10CM作为主唱参与其中。《少年少女恋爱》通过之前在综艺节目中很难看到的OST制作，让各个年龄层产生对初恋的哄鸣。[Credit]Vocal by 10CMAcoustic Guitar by 정순용 of My Aunt MaryElectric Guitar by 정순용 of My Aunt MaryDrum by 박정준 of My Aunt MaryBass by 한진영 of My Aunt MaryPiano by 임주연Synthesizer Programming by 정순용 of My Aunt MaryRecorded by 이상철, 문정환, 김진평 of 톤스튜디오Mixed by 김대성 of 톤스튜디오Mastered by 권남우 @ 821 Sound MasteringA&R by 정준구, 김유재 of 매직스트로베리사운드