Open ♭eta v6.1

作为正式宣传Xperiment Project的信号弹，此次单曲专辑是Xdinary Heroes将要脱离虚拟世界并跨过现实之墙的第一步。
此单曲专辑收录了将自己代入漫画中的主人公并展示勇气的主打歌《소년만화》（译名：《少年漫画》）、引发好奇心的Instrumental歌曲《XH_winds_75》。
[Credit]
1.소년만화 *TITLE
另类金属为基础的器乐声代表“背景”和“敌人”， 成员们的歌声代表“主人公”，仅凭听觉就生动地描绘了漫画中的场景。这是一首可以感受到Xdinary Heroes独特的少年美和升级版沉稳有力的声音的歌曲。
Lyrics by 홍지상, Xdinary Heroes
Composed by 홍지상, Xdinary Heroes
Arranged by 홍지상
Original publisher JYP Publishing (KOMCA)
Sub-publisher JYP Publishing (KOMCA)
Session
Computer programming by 홍지상
Background vocals by Xdinary Heroes
Electric guitar by 가온, Jun Han, 홍지상
Bass by 주연
Keyboards by 정수, O.de, 홍지상
Drums by 건일
Drum technician 전대정
Recorded by 홍지상 @ Jisang’s Studio
Drum recorded by 신봉원, 박남준 @ GLAB Studios
Mixed by 신봉원 @ GLAB Studios
Mixed in Dolby Atmos by 신봉원 (Asst. 박남준) @ GLAB Studios
Mastered by 박정언 @ Honey Butter Studio
2. XH_winds_75
Composed by ZigZag Note, NOKITA, 문상선
Arranged by ZigZag Note, NOKITA, 문상선
Sub-publisher Music Cube
Session
Computer programming by 김기욱
Electric guitar by NOKITA
Recorded by 김기욱 @ ZigZag Note Studio
Mixed by 김기욱 @ ZigZag Note Studio
Mixed in Dolby Atmos by 신봉원 (Asst. 박남준) @ GLAB Studios
Mastered by 박정언 @ Honey Butter Studio