i remembered finding this RAW a long time ago on some obscure JP doujinshi site, but its domain is dead at this point so it's safe to post archived link now i suppose.
https://web.archive.org/web/20210117024955/http://doujin-dolci.com/スタジオジブリ作品/【エロ同人誌】やぁ、気分はどう？流砂により腐

Asuch did us zuburifags a real solid and scanned 中年の豚 last week, which i wanted to get my hands on for a long time, so it's high time i repaid the debt. go check it out!
https://e-hentai.org/g/3468941/0b43f304df/

Official Release:
https://www.dlsite.com/maniax/work/=/product_id/RJ264283.html
https://ec.toranoana.jp/tora_r/ec/item/040030753659/
https://www.suruga-ya.jp/product/detail/ZHOA89369
Official Site (defunct):
http://web.archive.org/web/20221207183437/https://studiozuburi.x.fc2.com
Twitter:
https://x.com/seikou_izumi