@Glomoro
See this char at the bottom left of the last page of the latest raw?: 完
It means "The End".
https://www.wordreference.com/jaen/%E5%AE%8C
There is also the artist's Twitter
https://twitter.com/garakutayan/status/1327848589461131265
最終 = last/final
最終話 = last episode/chapter
And...
@TwiiTwii I know these have similar plots
https://mangadex.org/title/39573/
https://mangadex.org/title/37909/
https://mangadex.org/title/39290/
https://mangadex.org/title/29231/
https://mangadex.org/title/35675/
I don't know if you already got the raws for ch27 but I'll leave the link here anyway:
https://mega.nz/file/0BYCwYpI#VcRONsDVr8SjLXDj9FSj9K7sDLRdLxntSUubxy4V004
Excesive splitting in chapters is fault of publisher:
https://imgur.com/a/nGKNtlm
they allow you to read 4 "chapters" for free every 20 hrs. if you want to read more you have to buy credits/points.
Missing last page:
https://i.imgur.com/KA1zvw1.jpg
Her punishment is that she has to help for a while.
@Kagenashi: those are the extra page(s) from the UraSunday/MangaOne app.
https://i.imgur.com/dPAZIN4.jpg