I found this at Madarake.co.jp the other day.
Information about this anime can be found at: https://magical-girl-mahou-shoujo.fandom.com/wiki/Tonde_Buurin
I've scanned, cleaned, and uploaded it to e-hentai.
https://e-hentai.org/g/3181298/90e3f6af35/
Enjoy
BoB