https://www.animenewsnetwork.com/news/2011-11-17/seitokai-yakuindomo-manga-volume-7-to-bundle-anime-dvd
Seitokai Yakuindomo Manga Volume 7 to Bundle Anime DVD - News - Anime News Network
July DVD follows manga-bundled DVD released on Thursday, another DVD in spring
seitokai yakuindomomanga volumeanime dvd7
https://www.animenewsnetwork.com/news/2019-08-15/seitokai-yakuindomo-manga-19th-volume-to-bundle-new-anime-dvd/.150088
Seitokai Yakuindomo Manga's 19th Volume to Bundle New Anime DVD - News - Anime News Network
18th compiled book volume ships with OAD on Friday