Survivor Story of a Sword King in a Fantasy World

Description :
Ryu Han-Bin was a normal person who just had been discharged from his mandatory military service, when he was transported to another world. Left to fend for himself, he was given the goal of surviving and growing stronger in a desolate world riddled with monsters. The problem is the 'Guideline' that was supposed to be his guiding system to survive is filled with errors.