I returned to Earth after hunting demons in the otherworld for three hundred years. However, I did not return alone.Original Novel:Munpia, Naver SeriesOriginal Webtoon:Naver Webtoon, Naver SeriesOfficial Translations:S.Chinese, T.Chinese, Japanese, Thai

Being a character in your favorite game is great! Sure, hes just a minor NPC, but Corin knows this game like the back of his hand. With his knowledge and the main player Sihus abilities, everythings going smoothly - until Corin discovers Sihus been murder