https://www.dmm.co.jp/dc/-/mylibrary/detail/=/product_id=d_458556/

https://www.dlsite.com/maniax/work/=/product_id/RJ01342339.html

[Synopsis]

This is a small village where life revolves around fertile land and a church.
A nun is searching for a book in the church to help the villagers who are suffering from poor harvests when she finds a mysterious religious book.
"What is this...!?"
Written inside is a description of sexual acts that are supposed to be forbidden.
The girl reaches out to her private parts and masturbates.
Her desire grows and her sexual urges well up.
This becomes a 'nightmare' and appears every night...
In her dreams, the girl's body is toyed with.
How long can she endure this forbidden stimulation...?

Base +25, Fofotron +25, nuts987 +13