Fairy Tail author Hiro Mashima's latest manga series EDENS ZERO started its serialization in Kodansha's Weekly Shonen Magazine on June 27, 2018, and has released five tankobon volumes in Japan so far. To celebrate its first anniversary, he has posed a special illustration on his official Twitter account. 

He says on Twitter, "Magazine to be released tomorrow will mark EDENS ZERO's first anniversary! It's all thanks to your support that it has continued for a year. I can't thank you enough!"

明日発売のマガジンはエデンズゼロ一周年記念！一年続いたのは皆様の応援のおかげです！いつもありがとうございます！ pic.twitter.com/T5E3pdNvJy

— 真島ヒロ (@hiro_mashima) 2019年6月25日

EDENS ZERO has had weekly simulpubs on Crunchyroll since June 2018.

Manga tankobon 1st and 5th volume covers

Source: Hiro Mashima official Twitter

EDENS ZERO © Hiro Mashima/Kodansha Ltd.