A Herbivorous Dragon of 5,000 Years Gets Unfairly Villainized

A Herbivorous Dragon of 5,000 Years Gets Unfairly Villainized is a Manga/Manhwa/Manhua in (English/Raw) language, Shounen 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

For 5,000 years, a harmless herbivorous dragon lived a quiet, secluded life. But everything changed when a girl called Reiko appeared before him. She offers herself as a sacrifice to who she believes is the evil dragon, Revandia, in exchange for helping her defend her village from the demon king. Together, the so-called "evil" dragon, devoid of flight or magical prowess, and the enigmatic girl embark on an epic, demon-vanquishing adventure!