At a glance, the thoughts of self-preservation and self-defence become tragedy, then hell on earth! It's undoubtable that the deepest love on this earth seems to be self-love. Things heat up, the 15th round begins! Let your partners die, and you get 70 million yen! Save your friends, you get only 33 million. But then, the possibility of death by another's hand? What will Mitsuyama do?