personnel hide -- vocals i.n.a. -- co-producer , programming , recording engineer , additional arrangement joe -- drums chirolyn -- bass kiyoshi -- electric guitar pata -- acoustic guitar gotchin -- acoustic guitar neko saito group -- strings neko saito -- string arrangement rich breen -- mixing engineer ( at ocean way ) eric westfall -- recording engineer hiroshi nemoto -- assistant engineer ( hitokuchizaka-studio ) masami konagaya -- assistant engineer ( hitokuchizaka-studio ) cover versions the song was covered by scarlett for crush !