Never sell your soul to a Demon First Class if you're not prepared to pay! Mara has her demonic grip on Sayoko, who as Queen alone has the power to order the goddess Belldandy to obey her every whim. What Mara wants Sayoko to do is command Belldandy to go away forever and she'll go to any length to make that happen! Can poor mortal-type guy Keiichi stop her in time? Don't miss the conclusion to the most action-packed Oh My Goddess! story yet!