Ten years ago, a mysterious masked man brought 'Auctorem Retributio', a dreadful event that drastically changed the way of life on Earth. Hunter Ryuusei, a genius bachelor, swore to find a way to avenge everyone including himself. But when Hunter Ryuusei met Raziel Murasakino, an enigmatic cute guy. The gorgeous bachelor fell in love-putting a monkey wrench into his plans. Together with his friends, they embark on a perilous journey to find 'Creator's Will'. A mythical artifact known to possess an unlimited source of power. But things will not be easy for them as enemies from another world and a mysterious organization strikes tragedy to their loved ones. All is well until they lost a member, and forced to confront the frightening truth...