I guard the cracks in the city, delivering food during the day and killing dragons at night. It is about a person who was named in advance by the dead end. How to make copies of cracks: business district cracks, hospital cracks, old city cracks, river bottom cracks, and airport cracks. Each map has different monsters and rules.; Reality and extraordinary two-line advancement: making money to support the family, rider circle and site interpersonal relationships, city blockade, underground tasks go hand in hand, and continue to ensure urban substitution.; The power system is clear: delivery contract, crack element Materials, equipment forging, beast core promotion, city gatekeeper rating.; Rich forces: official defense team, chaebol security company, underground material dealer, crack cult, cross-city hunting group, which facilitates long-term conflicts; The protagonist's growth is not limited to combat power: from a single rider to forming a gatekeeper team, to controlling the city's crack dispatch power; the later stage of the pattern upgrade is natural: from guarding a street to guarding a city, and then participating in the national crack channel and alien war "to regain the initiative little by little."
