This latest version will add various sprite sex scenes, map changes, and various other tweaks and changes.
One of the complaints of SK was that there wasn't enough sex scenes or just that it didn't have a sexual enough environment, this latest update will fix some of those issues. As well as make other changes.
--Changelist-- V1.21.5
Full Changelog
-More interactable NPCs
-Super Guard/Ultimate Guard added
-Drewyn Kingdom Map has been updated, along with new NPC's and changes to old ones.
-Lots of New Pixel nudity and sex scenes
-Other small map changes to various maps
Also the public version of SK has been updated. You can now download V1.21.4 for free instead of V1.21.1, have fun!