Shi Cao Lao Long Bei Guan Yi E Long Zhi Ming
English name: A Herbivorous Dragon of 5,000 Years Gets Unfairly Villainized
Genres: Adventure, Comedy, Fantasy
Type: ONA, Episodes: 12
Aired: Jul 30, 2022 to Oct 8, 2022
Studio: LAN Studio
Source: Novel
Rating: PG-13 - Teens 13 or older
Synopsis:
A 5000-year-old herbivorous 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 "Evil Dragon, the Demon Lord's Army Leader" in order to get rid of her. However, his little white lie awoke her hidden powers and his peaceful life suddenly ended. 

(Source: MU, edited)