>>280179997
https://mangadex.org/title/bfeaa9ff-37b9-427a-8028-09bcf4928aa5/slow-prison-life

Is the one I mentioned above.

https://mangadex.org/title/d2befbc2-3e34-4716-a25d-e072c0ff3d02/from-villainess-to-healer-i-know-the-cheat-to-change-my-fate

Is another one though this one the MC just goes off to adventure without caring at all about the Prince. We just see from the Prince’s point of view later how fucked he currently is.