Through the development of the media, boundaries between different media have become more fluid than before. Among such media, webtoon got credited from other global societies by it’s own literary value to be made as not only as drama or movie, but as the mobile game also. This research aimed to study cases of mobile game which utilized webtoon as the source to find out how the original webtoon influenced the awareness of game. Secondly, this study focused on find out the webtoon’s narrative adapted range under the type of the mobile game. Last of all, this study aimed to discuss about the development direction under specific RPG mobile game "With God" which based it’s contents under the webtoon.