My Big Devil System

Male protagonist: silent PC: A super otaku who focuses on game strategy. He is proficient in various game clearances. He has cleared Contra, Super Mario, Double Dragon, MapleStory and other thrilling games countless times. However, he mysteriously traveled through time because of a good guy's card action. Silence, who was focused on completing the level as a hero, unexpectedly became a figure who was about to become the Demon King in a different world! Silence: What a rip-off! I don't want to be a devil! System: The Demon King Development System is being bound... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.