Otome game parody where a background character who is married off to the villainess is a guy isekaied from the modern era.

Pages 2-33 Pixiv expansion of the story plus original Twitter works
Pages 34-57 Fanbox expansion of the sex scene plus textless work

Please support the artist if you enjoy their work!
https://f7xl5wl6a.fanbox.cc/posts/4954980

hoohttp://www.dlsite.com/maniax/circle/profile/=/maker_id/RG28361.html
hoohttp://www.dmm.co.jp/dc/doujin/-/list/=/article=maker/id=73293
hoohttps://www.pixiv.net/en/users/6034776
https://ouo.io/2XB3p
http://oko.sh/eiKzwU
https://ouo.io/L8FGm

Is there some specific word or phrase you can search for doujins/hentai/etc. that give specific dick size measurements like this? I've seen it in a few CG sets like this but I don't think there's really any kind of tag for it on any sites.

Base +6