The Demon King Diaries

The Demon King Diaries Manhua is also known: Leveling Up through Eating / 밥만 먹고 레벨업. The Demon King Diaries is released in 2018 and you can read it on the website SAWAMICS.COM
– Summary :
Newly released from the shackles of college applications, Hanra San is determined to do one thing, and one thing only: have a great time. Alas, her much anticipated bliss is disrupted when, on her birthday, she suddenly gets whisked away to a fantasy world. Not only does she have to adjust to her newfound surroundings, but she also has to deal with the information that she is actually the Demon King incarnate! With no way back home, San has to do what anyone who’s had their whole world turned upside down needs to do. Go defeat fiends. Go train in dungeons. Become the Demon King that everyone expects her to be. Really, how hard could it be?