Yowai 5000-nen no Sōshoku Dragon, Iwarenaki Jaryū Nintei (齢5000年の草食ドラゴン、いわれなき邪竜認定, “A 5000-year-old Herbivore Dragon Was Recognized as an Evil Dragon For No Reason”) is a Japanese light novel series written by Kaisei Enomoto and illustrated by Shugao. It was serialized online between June 2017 and June 2020 on the user-generated novel publishing website Shōsetsuka ni Narō. It was later acquired by Kadokawa Shoten, who have published three volumes from February 2018 to October 2019 under their Kadokawa Sneaker Bunko imprint. A manga adaptation with art by Kōichi Muro was serialized in Square Enix‘s shōnen manga magazine Monthly Gangan Joker from January 2018 to November 2019. It was collected in five tankōbon volumes. A Japanese-Chinese original net (ONA) anime adaptation by Studio LAN is scheduled to premiere in July 2022 on Bilibili.

The series written by Kaisei Enomoto was serialized online between June 2017 and June 2020 on the user-generated novel publishing website Shōsetsuka ni Narō. It was later acquired by Kadokawa Shoten, who have published three light novel volumes with illustrations by Shugao from February 1, 2018 to October 1, 2019 under their Kadokawa Sneaker Bunko imprint.

Anime

On November 21, 2021, a Japanese-Chinese original net (ONA) anime adaptation produced by Bilibili and animated by Studio LAN was announced. It is directed by Liu Siwen and is set to premiere on July 30, 2022 on Bilibili. For the Chinese version, the opening theme song is “Wèi guāng” (为光) by Liu Junlang, while the ending theme song is “Tǎng zài qíngkōng xià” (躺在晴空下) by Xiǎo yuán.

A manga adaptation with art by Kōichi Muro was serialized in Square Enix‘s shōnen manga magazine Monthly Gangan Joker from January 22, 2018, to November 22, 2019. It was collected in five tankōbon volumes.

Yowai 5000-nen no Sōshoku Dragon, Iwarenaki Jaryū Nintei
First light novel volume cover
齢5000年の草食ドラゴン、いわれなき邪竜認定
Novel series
Written by	Kaisei Enomoto
Published by	Shōsetsuka ni Narō
Original run	June 2017 – June 2020
Light novel
Written by	Kaisei Enomoto
Illustrated by	Shugao
Published by	Kadokawa Shoten
Imprint	Kadokawa Sneaker Bunko
Demographic	Male
Original run	February 1, 2018 – October 1, 2019
Volumes	3
Manga
Written by	Kaisei Enomoto
Illustrated by	Kōichi Muro
Published by	Square Enix
Magazine	Monthly Gangan Joker
Demographic	Shōnen
Original run	January 22, 2018 – November 22, 2019
Volumes	5
Original net animation
Directed by	Liu Siwen
Studio	Studio LAN
Released	July 30, 2022 – scheduled