This inquiry proposes South Korea’s policy alternatives for the “soft-landing” of North Korea through the analysis of its military-first policy and the ROK-US security alliance format. The alternatives must be effective altering the North’s behaviors, since it follows the procedures that India, Pakistan and Israel have traced for the nuclear possession. It is absolute that North Korea should be clear on the Choenan/Yeonpyeong incidents and its nuclear ambition, no matter how it goes in the succession process. Critics have suggested policy alternatives as the inducement of the North’s policy change; i.e., systemic reform and democratization, intensification of economic dependence, and regime change. Economic absorption, indirectly or openly, has been discussed as a way of unifying the two Koreas, but a more attention has been given to the means of reaching a peace system on the Korean peninsula. The most significant barriers to peace and prosperity in the Northeast Asian region include North Korea’s juche ideology of self-reliance, autarkic economic mismanagement, and ever-lasting security/insecurity dilemma. The best-case scenario is to support North Korea’s reform through economic and diplomatic channels rather than to perpetuate the continuation of military confrontation, which forces North Korea to view South Korea as a mortal enemy instead of a source for the Pyongyang’s survival and recovery.