A girl, she is lee YN. Her life normal They are the rulers of the underworld.7 demons in human bodies. They are most Merciless mafias. They know nothing but the power and the money they loved. They are called heartless not for nothing. They were all fine with money and power she needs brother they need a sister what happens when they find each other when she accepts them her brother what if she finds out they are mafias when she knows the secret even then she considers her brother or not well see what happened between them when they meet each other "We should protect her" "SHE IS OUR SISTER!" you want to know. let's see would you like to join them on her journey trip? Dᴏ ɴᴏᴛ ᴄᴏᴘʏ ᴍʏ ᴡᴏʀᴋ❗