Recommendations Nun MC

[Macha]

MC is an exiled villainess sent to a monastery as punishment but enjoyed it instead.

 

[vaurwyn]

Could it be Slow Prison Life? It's prison not a monastery, but the general remise is the same.

Slow Prison Life - Novel Updates

www.novelupdates.com

 

[ConansWitchBaby]

The Banished Villainess! Living the Leisurely Life of a Nun Making Revolutionary Church Food (悪役令嬢の追放後！ 教会改革ごはんで悠々シスター暮らし)
This one? If not, idk. I liked it.

 

[Macha]

The Banished Villainess! Living the Leisurely Life of a Nun Making Revolutionary Church Food (悪役令嬢の追放後！ 教会改革ごはんで悠々シスター暮らし)
This one? If not, idk. I liked it.

That's one. There's another where the mc become a combat nun exorcist but I can't find it lol.