Rio continues his merciless attack on Muhyo and the others, even refusing to listen to the fervent pleas of his ward, Bico. Those who sold their souls to Hell's Messenger using the forbidden magic law will never be human again... But Muhyo claims there may be something they can do for Rio. However, first he needs to recover from his mental lethargy. Cornered in a corner, the team bets all their chips on a secret formula created by Bico to help him in his temporary recovery...