https://www.siliconera.com/new-yotsuba-manga-features-azumanga-daioh-cameo/
New Yotsuba Manga Features Azumanga Daioh Cameo - Siliconera
Feb 27, 2025 - The latest volume 16 of the Yotsuba manga featured an unexpected cameo from a beloved Azumanga Daioh character.
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https://www.animenewsnetwork.com/news/2019-06-16/makoto-yotsuba-record-of-grancrest-war-manga-ends-on-june-28/.147904
Makoto Yotsuba's Record of Grancrest War Manga Ends on June 28 - News - Anime News Network
Manga based on Ryo Mizuno's light novel series launched in 2016
record of grancrest war