Don't Cry Maou-Chan

Don't Cry Maou-Chan is a Manga/Manhwa/Manhua in (English/Raw) language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.com fastest updating comic site. The Summary is

Astalorin is the Great Devil King reining in the Asmodeus Castle... The problem is, she's a cute small girl that is very sensitive and, subsequently, doesn't do a very good job at being the terrifying demon everyone expects her to be.Things only get worse when a group of heroes comes to challenge her rule in her domain and instead of seeing her as a monsterthat is supposed to be the "Final Boss" of their adventures, get stricken by her "crazy cuteness" and feel the urge to hug her instead of battling her. Will this ineffective and adorable tyrant ever get her act together?