SSS-Class Undercover Agent

This exciting story involves the landing of a nuclear missile, codenamed "Nuclear Warhead," in the North. Nuclear Warhead's' 69th mission is to subjugate a wealthy South Korean family's daughter!However, due to an accident during his mission, he unexpectedly loses his memory."How do I use this enormous weapon to win over the hearts of South Korean women? What was it again?" he finds himself wondering now. Will he be able to finish his mission successfully?