Slice of Life: Transmigration to 80's

NWO 2.0, created as a killing machine in preparation for the kingdom's upcoming war towards the other interstellar planets on the year 279 NB with basic consciousness and identifier of enemies and comrades were suddenly born again in a different world. Having the body of an infant after destruction by a mass nuclear killing that caught the kingdom unprepared, NWO 2.0 became a human with own thoughts and family in the ancient world. How would a machine designed as a killer deal with the unknown world where everything is backwards and complicated? p.s. this is a slice of life, it means dull somewhat, the terms and things used are from no sources and are just creation of imaginations and basic common sense by the author, it means, don't trust whatever detail added on the story unless searched for clarification and received a positive result from varying trust worthy resources.