♫ ♪ ♪ ♫ ♩ ♬ ♫ ♪ ♪ ♫ ♩ ♬ ♫ ♪ ♪ ♫ ♩ ♬ ♫ ♪ ♪ ♫ ♩ ♬ ♫ ♪ ♪ ♫ ♩ ♬  Hi-Yeom , I'm here to share with you guys ! Yes you ;)  About B2ST/BEAST :) You might already know this group really well but not 100% , or you're clueless about them right right ?!