The Demon Prince~The Prince with an Empty Belly~
Don't develop love for him ~
Don't get close to his world~
Don't fall in love with him ~ he is miserable and does not know love ~
It will only eat you up bit by bit.
This is a nursery rhyme known to all demons in the demon clan, telling about the terrifying prince who cannibalizes the flesh and blood of his own clan.
Concept: Probably two people who will never understand each other.