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. (From: MU)
Adapted from Web Novel (Raw) of same name.
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Alternative:
A gentle dragon of 5000 years old, it was recognized as an evil dragon without any cause.; A Weak 5000-Year Old Herbivorous Dragon, Stuck with the Title "Dragon of Evil" ~ Oh Dear, This Sacrifice Just Won't Listen ~; Weak 5000-Year Old Vegan Dragon; Yowai 5000-nen no Soushoku Dragon, Iware naki Jaryuu Nintei ~ Yada Kono Ikenie, Hito no Hanashi o Kiite Kurenai ~; 齢5000年の草食ドラゴン、いわれなき邪竜認定 ~やだこの生贄、人の話を聞いてくれない~