約5000年もの長い時をひっそりと生きてきた、
心優しく人畜無害な草食ドラゴンがいた。
そんな彼の前に現れたのは、「生贄」を自称する少女・レーコ。
レーコは彼を、“邪竜レーヴェンディア”だと思い込んでいて──。
空も飛べなきゃ、魔力も無い。
そんな“邪竜様”と、“勘違い生贄少女”による魔王討伐（？）の旅が始まる！！
A 5000-year old vegan dragon was living peacefully when one day a young girl showed up in his cave. She offered herself as a sacrifice in order to gain favor for her village. He played along as the great “Jaryuu-Sama, the Demon Lord’s Army Leader” in order to get rid of her. However, his little white lie awoken her hidden powers and his peaceful life suddenly ended.
